4 (SPYAIRのアルバム)
UZ:Programming (#2.3.7.8.10.11.12)
大島こうすけ:Programming & Keyboards (#1.4.5.6)
tasuku Vocal Direction (#2.3.7-12) Brass Arrangement (#8) Programming (#9)
JASMINE:Guest Vocal (#6)
和多田美咲、高橋花林:Kid's Voice (#8)
吉澤達彦:Trumpet (#8)
竹上良成:Tenor Saxophone (#8)
榎本裕介:Trombone (#8)
冨安徹:Percussion (#10.11.12)