Tシャツと私たち
桜井和寿:Vocal (#1 - #5), Chorus (#1 - #5, #8), Acoustic Guitar (#1), Guitar (#5), Triangle (#5)
GAKU-MC:Rap (#1 - #4), Vocal (#5), Chorus (#1 - #4, #8), Ukulele (#5)
SUNNY:Keyboards (#1, #2, #5), Programming (#1, #2), Accordion (#5), ORGANAIRE (#8), andes25 (#5, #8), Chorus (#5)
設楽博臣:Electric Guitar (#1), Guitar (#2)
藤谷一郎:Bass (#1, #2, #5)
脇山広介:Drums (#1, #2)
四家卯大:Cello (#1)
沖祥子:Violin (#1, #2)
西村浩二:Trumpet (#2, #3)
山本拓夫:Sax (#2), Flute (#2)
オオヒナタハルコ:Chorus (#2)
森俊之:Keyboards (#3), Programming (#3)
土方隆行:Guitar (#3)
松原秀樹:Bass (#3)
玉田豊夢:Drums (#3)
鈴木明男:Sax (#3)
中川英二郎:Trombone (#3)
DJ FUMIYA (RIP SLYME):Programming (#4), All other instruments (#4), Scratch (#4)
Totzan:Guitar (#4), Bass (#4)
YoYo:Keyboards (#4)
ミファンダ (?):Vocal (#8)