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ϓϩάϥϚͷͨΊͷ
Իָೖ
ΤϜϩδοΫגࣜձࣾ
CHEEBOW(SEKINE Motokazu)
@iOSDC Japan 2024
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ࣗݾհ
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CHEEBOW
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ฏϓϩάϥϚ
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िԻָՈ
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ϥΠϒΞΠυϧΛத৺ʹ
ָۂఏڙ
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ָۂఏڙͨ͠ΞΠυϧ
87
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ເͶΉ(ͰΜͺ.inc)ɺσΟΞεςʔδΞΠυϧ෦ɺѪԵঁˑDOLLɺCOSMIC STAGEɺ
DollˑElementsɺJewel Kissɺ⁊͋Γ͋ɺ̩ʂ̥ɺؙࢁՆླɺas
f
ɺࠤ༑ཬࢠ(ѪԵঁ
˒DOLL)ɺHoney SquashɺϋοΫΨʔϧζɺനࣛΔͷɺ᷒ྦΊΔɺLuce Twinkle Winkˑɺ
ϚϘϩγՄ࿁GeNEɺཹक൪Ψʔϧζɺϋϐυϧ
～
Happy Idol Project
～
ɺࠤݪඦԻɺ
AngeˑReveɺPIP: Platonics Idol PlatformɺPICK UP GIRLSʯɺCarnivalˑStarsɺ
RYUKYU IDOLɺ͐͡ΔͷʂɺSˑUTHERN CROSSɺLovinˍSɺSnowRabbit feat. ླΏ
͖ɺLasRabbiɺਆ॓ɺCAMOUFLAGEɺ͓ΏͼϓϦϯηεɺᗅΊ͖ˑΞϯϑΥϨϯτɺ
little more.ɺϕʔεϘʔϧΨʔϧζɺӬւɺఱΕʂݪ॓ɺ࣌Ճஔ@'mEɺ
ChuˑOh!DollyɺKAMO͕ωΪΛ͠ΐͬͯ͘Δο!!!ɺ͔ΖΜͪΌΜ(RYUKYU IDOL)ɺࡈ
౻Εͳɺmi-naɺ༘رະ݁ɺͨͩͷঁͷࢠɻɺJewelˑRougeɺ៉ˑϑΟΦϨφʔυɺGirls
Live ProjectɺΞΫΞϊʔτɺύϐϓϖϙ͍͠ɺsommeil sommeilɺΔͳͬͪˑ΄͠ɺ७
ਮΧϑΣɾϥοςɺ࡙΄͠ɺେੴཧ೫ɺϓϦΞϞɺ٦Δ͔ɺRuka BananaɺQSCS eggɺ
Ώ͍͟Β͢ɺ1ֶظͷલɺ#͓͏ͪΞΠυϧɺViViBeeɺPalette Projectɺ୩ຑ༝ཬɺGood
knight**ɺLove,Need Meὑ
‼︎
ɺۋ৫Ί͙Έɺ#ϖϯλϓϦζϜɺϫϯεΞνϟϯεɺAALAɺ
Twinkle ProjectˑɺSnowˑFelizɺ#heishaɺ࿀Իܖɺ͖Έͱͷϫϯμʔϥϯυɺະμɺ܅
Ϯਪηζɻɺnemumi(sommeil sommeil)ɺύεςϧϗϩάϥϜɺγΣϦίϑϨɺ࡚౧՚ɺ
ελʔνεͷϥϒϨλʔɺSquall Lineɺݪ॓ɺif only ...ɺ૬ಏ
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ఏڙָۂ
147ۂ
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ຐ๏গঁˑະຬɺશྗϙδςΟϒɺ੨य़ϦΞϦςΟɺGO!! MY WISH!!ɺյͯ͠ɺ७ɺΞΠυϧˑະຬɺLovely DaysɺΩϛ
ετʔϜɺࠂനମૢɺREADY STEADY GO!!ɺΪϡοͱSTAR!!ɺϚδ࿀ˑύϯνɺΤσϯͷԂͰɺYOU GOTTA DANCE!!ɺ
GO!! MY WISH!!(KUJIRA REMIX)ɺΛݟ͔ͨɺEternal Summerɺ൵͍͠my true loveɺWheel of FortuneɺιϨΠϢͷ
ຐ๏ɺKiss x KissɺϩʔΞτɺϚʔϝΠυɺ͓͑ͯ͠ʂ࿀ͷϓϩτίϧɺVanillaɺͨΊଉίοτϯΩϟϯσΟʔɺLuce
Twinkle Winkˑ overtureɺႢಹϋϨʔγϣϯɺ͖Β͍ɺ͖Β͍ɺ͍͖ͩ͢ɻɺཹक൪ΨʔϧζˑኯɺPaˑPaˑPaˑPartyɺ
ಓখொυΩοɺWake me up!!ɺGrow Up!!ɺ͖ͬͱ͙ͬͱαϚʔσΠζɺΩϛϊΠόϥɺগঁͨͪͷඍɺShooting x
3ɺMagical WonderlandɺWinding RoadɺYou Go Girl!!ɺΒʹਅՆ͕͘ΔɺϓϦʔζɾϓϦʔζɺ͔͋͟ͳੈքɺ
Β͔͍͊ͱɺUP TO YOU!!ɺDanger Danger!!ɺLast RabbitɺΦʔϓχϯάSEɺυΪϚΪ Trick or Treat?ɺΦʔϓχϯά
SEɺͷBlizzardɺݬӨ˒ΪϟϥΫςΟΧɺྲྀˑϩϚϯςΟΧɺGimme a Spark!ɺϐϦΦυΛ๊͖͠Ίͯɺίίϩ×Ϋ
ϩεήʔϜɺ͔ͬ͠Γͯ͠ΑɺΧϦΩϡϨʔλʔɺಧ͚ɺ܅ʹɺOur MusicɺѪυϧɺPreciousˑSummerɺര྾ʂ࣬ʂ࿀
ηϤԵঁɺਅՆͷύϦϥɺॠؒɺϑϩϨηϯτɺΞΧωΠϩɺϠμοʂɺΞΠΦϥΠτɺઈՄ࿁ʂຐ๏গঁ͔ΖΜͪΌΜ
ઃఆ্14ࡀɺLuce Twinkle Winkˑ overture 2ɺγϦΞϧɾϥόʔɺઈϩϯϦωεɺͳͷͳΠϯτωʔγϣϯɺͪΌ͓ɺ
Նͷׂ࣌ؒɺBreakthrough!!ɺ࿀ܬɺStep by StepʂɺOvertureɺPuroˑUn
fi
oreɺ༿ࡩͷ࿙ΕʹɺGoodbye Rainɺ
ଧ্ͪ͛ՖՐɺڭ͑ͯTristarɺߦ͋ͯ͘ͷͳ͍νϣίϨʔτɺ#य़͘ΔɺൃSel
fi
shɺγϟχϜχɺDon't you?ɺྲྀΤτϥ
ϯθɺγʔαΠυϥΠφʔɺӕ͖ͭΞϯεϦϜɺϨΠςϯϨʔυɺYou are my answer!!ɺΦʔϓχϯάۂɺύεςϧͷ์
՝ޙɺ͓͞ΉͷATMɺॳ࿀ˑHow to My Loveɺʮ͜Ε͔ΒʯɺϓϩᇋϥϨϠʔɺSTARTɺ܅ͱӍͷΞΫΞϦϜɺ͍ͬ͡ͺ
ΓDECISION. -ܾஅ-ɺఱମਤɺ͞ΑͳΒՖɺͲΓʔΈΜˑΊ͍ͲΓʔΈΜɺ͔͍͔͍ͨͨɺଔۀ͙Β͡Ύ͑ʔ͠ΐΜɺΦʔ
ϓχϯάSEɺΩϥΩϥΩϥϦˑɺະདྷͷ͖ͭͮɺ͖ͬͱɺΞΠͩͶɺϢϝΠζϜɺΞΠγϯάɾΫοΩʔɺΦʔϓχϯάSEɺ
ݪ৭ϘϧςʔδɺSEɺBlue Rose, Blueɺ͘͞ΒΧʔϖοτɺ͖ΈͷͱͳΓɺGroovin' CrazyɺελʔϚΠϯɺۙઢϝϩσΟ
ΞεɺSEɺરޫϦϑϨΫγϣϯɺϦɾϦɾϦɾϦϝϯόʔɺ͋ͳ͕ͨҭͯͨՖɺγϟϘϯۄʹͳΕʂɺSEɺಌጦͷΧϊʔϓεɺ
͍ͪ͝ϛϯτͷՆɺΞϫΧϯύχʔɺ࿀ԻˑϩϚϯαʔɺͱͬͽΜ͠ΌΜͷCHUˑɺWhat's up? ਓੜɺͶΉΈͷɺͷͬ͠
ΆΛ͔ͭΉ·Ͱɺྠ㕩ͷεʔύʔϊϰΝɺγϟϥϥɺSEɺڭՊॻΛӅ͠ʹͯ͠ɺSEɺHappy Merry-Go-RoundɺλΠϜϚ
γϯ͍Βͳ͍ɺӕͱϦΞϦςΟɺSEɺIDOLὑΤϞˠγϣϯ
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ৗʑࢥ͍ͬͯ·ͨ͠
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ϓϩάϥϚͱԻָͬͯ
૬ੑ͕͍͍Μ͡Όͳ͍ʁ
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ίʔυ
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Code
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Ͱͳ͘
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Chord=Ի
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C
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F#m7
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Bbm7b5
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C?
F#?
Bb?
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C = υ
D = Ϩ
E = ϛ
F = ϑΝ
G = ι
A = ϥ
B = γ
υϨϛϑΝͷӳޠ໊
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ίʔυͱʁ
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ԻͷੵΈॏͶํʹ
໊લΛ͚ͭͨͷ
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C D E F G A B
C#
Db
D#
Eb
F#
Gb
G#
Ab
A#
Bb
C D E F G A B
C#
Db
D#
Eb
F#
Gb
G#
Ab
A#
Bb
C
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C D E F G A B
C#
Db
D#
Eb
F#
Gb
G#
Ab
A#
Bb
C D E F G A B
C#
Db
D#
Eb
F#
Gb
G#
Ab
A#
Bb
C
1
2
3
4
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C D E F G A B
C#
Db
D#
Eb
F#
Gb
G#
Ab
A#
Bb
C D E F G A B
C#
Db
D#
Eb
F#
Gb
G#
Ab
A#
Bb
C
1
2
3
4 1
2
3
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C E G
C
4 3
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C D E F G A B
C#
Db
D#
Eb
F# G#
Ab
A#
Bb
C D E F G A B
C# D#
Eb
F#
Gb
G#
Ab
A#
Bb
F#m7
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C D E F G A B
C#
Db
D#
Eb
F# G#
Ab
A#
Bb
C D E F G A B
C# D#
Eb
F#
Gb
G#
Ab
A#
Bb
F#m7
1
2
3
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C D E F G A B
C#
Db
D#
Eb
F# G#
Ab
A#
Bb
C D E F G A B
C# D#
Eb
F#
Gb
G#
Ab
A#
Bb
F#m7
4
1
2 3
1
2
3
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C D E F G A B
C#
Db
D#
Eb
F# G#
Ab
A#
Bb
C D E F G A B
C# D#
Eb
F#
Gb
G#
Ab
A#
Bb
F#m7
1
2
3
4
1
2 3
1
2
3
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F# A C#
F#m7
3 4 E
3
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C D E F G A B
C#
Db
D#
Eb
G#
Ab
A#
Bb
C D E F G A B
D#
Eb
F#
Gb
G#
Ab
A#
Bb
Am7
1
2
3
4
1
2 3 1
2
3
F#
Gb
C#
Db
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A C E
Am7
3 4 G
3
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F#m7
F# A C#
3 4 E
3
A C E
3 4 G
3
Am7
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3 4 3
3 4 3
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ԻͷੵΈํ͕ಉ͡ʂ
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ίʔυʹϩδοΫ͕͋Δʂ
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C
F#m7
Bbm7b5
ݩʹͳΔԻ=ϧʔτ
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C
F#m7
Bbm7b5
ίʔυͷछྨ
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4 - 3
3 - 4
4 - 3 - 3
4 - 3 - 4
3 - 4 - 3
5 - 2
3 - 3 - 3
4 - 4
3 - 3 - 4
X
Xm
X7
XM7
Xm7
Xsus4
Xdim
Xaug
Xm7b5
ίʔυ໊ͱԻͷੵΈํ
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ίʔυશʹཧղͨ͠
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ϩδοΫ͕͋ΔͳΒ
ίʔυʹམͱͤΔΜ͡ΌͶʁ
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ͱ͍͏Θ͚Ͱɺ
ίʔυͷߏԻΛදࣔ͢Δίʔυ
ॻ͍ͯΈͨ
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import Foundation
let noteToSemitone: [String: Int] = [
"C": 0, "C#": 1, "Db": 1,
"D": 2, "D#": 3, "Eb": 3,
"E": 4, "Fb": 4, "E#": 5,
"F": 5, "F#": 6, "Gb": 6,
"G": 7, "G#": 8, "Ab": 8,
"A": 9, "A#": 10, "Bb": 10,
"B": 11, "Cb": 11, "B#": 0
]
let semitoneToNote: [Int: (sharp: String, flat:
String)] = [
0: ("C", "C"),
1: ("C#", "Db"),
2: ("D", "D"),
3: ("D#", "Eb"),
4: ("E", "Fb"),
5: ("F", "F"),
6: ("F#", "Gb"),
7: ("G", "G"),
8: ("G#", "Ab"),
9: ("A", "A"),
10: ("A#", "Bb"),
11: ("B", "Cb")
]
func chordNotes(chord: String) -> [String] {
let root = String(chord.prefix(while: { ["C", "D",
"E", "F", "G", "A", "B"].contains($0) || $0 == "#" ||
$0 == "b" }))
let suffix = String(chord.dropFirst(root.count))
guard let rootSemitone = noteToSemitone[root] else
{
return []
}
var intervals =
switch suffix {
case "m" : [0, 3, 7]
case "7" : [0, 4, 7, 10]
case "m7" : [0, 3, 7, 10]
case "M7" : [0, 4, 7, 11]
case "add9" : [0, 4, 7, 14]
case "madd9": [0, 3, 7, 14]
case "dim" : [0, 3, 6]
case "aug" : [0, 4, 8]
case "m7b5" : [0, 3, 6, 10]
default : [0, 4, 7]
}
let notes = intervals.map {
let semitone = ($0 + rootSemitone) % 12
return root.contains("#")
? semitoneToNote[semitone]!.sharp
: semitoneToNote[semitone]!.flat
}
return notes
}
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// chord:”G#m7” -> “G#”
let root = String(chord.prefix(while: {
["C", "D", "E", "F", "G", “A", "B"].contains($0)
|| $0 == "#"
|| $0 == "b"
}))
// chord:”G#m7” -> “m7”
let suffix = String(chord.dropFirst(root.count))
ίʔυ໊͔ΒɺϧʔτԻͱίʔυͷछྨΛऔಘͯ͠
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guard let rootSemitone = noteToSemitone[root] else {
return []
}
var intervals =
switch suffix {
case "m" : [0, 3, 7]
// ………
default : [0, 4, 7]
}
let notes = intervals.map {
let semitone = ($0 + rootSemitone) % 12
return root.contains("#")
? semitoneToNote[semitone]!.sharp
: semitoneToNote[semitone]!.flat
}
ϧʔτ͔ΒͷڑͰίʔυͷߏԻΛ୳͠·͢
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var intervals =
switch suffix {
case "m" : [0, 3, 7]
case "7" : [0, 4, 7, 10]
case "m7" : [0, 3, 7, 10]
case “M7" : [0, 4, 7, 11]
case "add9" : [0, 4, 7, 14]
case "madd9": [0, 3, 7, 14]
case "dim" : [0, 3, 6]
case "aug" : [0, 4, 8]
case "m7b5" : [0, 3, 6, 10]
default : [0, 4, 7]
}
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ίʔυਐߦɺϦζϜ
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ϓϩάϥϛϯάʹ
ΞϧΰϦζϜ
σβΠϯύλʔϯ͕
͋ΔΑ͏ʹ
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Իָʹ
࠶ར༻Մೳͳ
ύλʔϯ͕
͋Γ·͢
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ίʔυਐߦ
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ίʔυਐߦͱʁ
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ۂͷྲྀΕʹैͬͯ
ίʔυΛฒͨͷ
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දతͳίʔυਐߦ
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Ԧಓਐߦ
F - G - Em - Am
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Χϊϯਐߦ
C - G - Am - Em - F - C - F - G
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ؙαਐߦ
FM7 - E7 - Am7 - Gm7 C7
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খࣨਐߦ
Am - F - G - C
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ಉ͡ίʔυਐߦΛͬͨΒ
ಉ͡ۂ͔͠࡞Εͳ͍ͷͰʁ
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Ԧಓਐߦ
• Subtitle / Of
fi
cialஉdiss
• ॕ / YOASOBI
• ՄѪ͘͝ΊΜ feat.ͪΎʔͨΜ / Honeyworks
• ͪΎɺଟ༷ੑɻ / ano
• ܅ϩοΫΛௌ͔ͳ͍ / ͍͋ΈΐΜ
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Χϊϯਐߦ
• ΫϦεϚεɾΠϒ / ࢁԼୡ
• ෛ͚ͳ͍Ͱ / ZARD
• ͘͞ΒΜ΅ / େ௩Ѫ
• Θ͕··δϡϦΤοτ / BOOWY
• গ࣌ / Ҫ্ཅਫ
• Ѫউͭ / KAN
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ؙαਐߦ
• ؙϊασΟεςΟοΫ / ໊ྛޝ
• ʹۦ͚Δ / YOASOBI
• άοόΠએݴ / Chinozo
• ѪΛ͍͑ͨͩͱ͔ / ͍͋ΈΐΜ
• ඵΛטΉ / ͣͬͱਅதͰ͍͍ͷʹɻ
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খࣨਐߦ
• Get Wild / TM NETWORK
• ϑϥΠϯάήοτ / AKB48
• ന / King Gnu
• Βࠓͷͳ͔Ͱ / μ's
• ઍຊࡩ / ࠇ͏͞P
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ίʔυਐߦ
࠶ར༻Ͱ͖Δʂ
ΧελϚΠζࣗ༝ʂ
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ϦζϜ
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ۂͷδϟϯϧʹΑͬͯ
ఆ൪ͷϦζϜ͕͋Δ
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ϩοΫ
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ϋε
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ϑΝϯΫ
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ۂͷδϟϯϧ
ϦζϜύλʔϯͱ
Ի৭Ͱܾ·Δʂ
ͱݴͬͯաݴͰͳ͍
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ͪΖΜ
ϦζϜύλʔϯ
࠶ར༻Մೳʂ
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σβΠϯύλʔϯ
ΞϧΰϦζϜɺ
ϥΠϒϥϦ
ʹࣅͯ·͢ΑͶ
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Իָཧ
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Իָͷָ͠Έ
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ௌ͘
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͚ͩͰͳ͘
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ੳ͢Δ
ղੳ͢Δ
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ԻָͷϦόʔεΤϯδχΞϦϯά
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ͦΜͳͱ͖ʹʂ
Իָཧʂ
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ʮԻָཧʯɺԻָΛ࡞Δɾ͘ɾ
ੳ͢Δͱ͖ʹཱͭࣝͷू߹ମ
ͷΑ͏ͳͷ
4PVOE2VFTU
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No content
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ϓϩάϥϚͷΈͳ͞·
ԻָΛָ͠Έ·͠ΐ͏ʂ
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ʮϓϩάϥϚͷͨΊͷ࡞ۂೖʯ
ࣥචதʂ
ޤ͏͝ظʂ
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͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ