Ken Hirai - SENTIMENTALovers

Acoustic Guitar – Masato IshinariHarmonica – Nobuo YagiMusic By – Ken HiraiPercussion – Mataro MisawaProducer, Arranged By, Bass – Seiji KamedaStrings – Chieko Kinbara Strings*

Bass – Tomoyuki IshikawaGuitar – Aaron R. Blackmon*Music By – YoshikaProducer, Arranged By, Performer [Instrumental] – Octopussy

Backing Vocals – Goof, Ken Hirai, Kumiko Hasegawa, Masaru Suzuki, YoYo Bass – Tomohito AokiDrums – Hideo YamakiGuitar – Masato IshinariMusic By – Ken HiraiPercussion – Masato KawaseProducer, Arranged By, Piano – Yasuharu Nakanishi

Producer, Music By – Akira

Drums – Takashi NumazawaGuitar – Masato IshinariMusic By – Ken HiraiPiano – Yuta SaitoProducer, Arranged By, Bass – Seiji KamedaStrings – Chieko Kinbara Strings*Synthesizer [Synthesist] – Takahiro Iida

Bass – Tatsuya IkedaDrums – Shu MatsuyamaKeyboards [Rhodes] – TaikiOther [Advisor] – Ken MatsubaraPercussion – PeckerProducer, Arranged By, Music By – Nao TanakaSaxophone [Alto & Baritone] – Yoshinari TakegamiSaxophone [Tenor] – Takahiro KanekoStrings – Gen Ittetsu Strings*Trombone – Eijiro NakagawaTrumpet – Futoshi Kobayashi

Music By – Yasuhiro MinamiProducer, Arranged By, Performer [All Instrumental] – Octopussy

Bass, Keyboards – Peter BuchDrums [Live] – Tomas BarfodGuitar – Jeppe KjellbergMusic By – Ken HiraiProducer [Sound], Arranged By – Filur

Backing Vocals – Angelina Drums – Takashi Kajihara*Guitar – Shunji TakenakaOther [English Advisor] – Hero-eProducer, Arranged By, Bass, Programmed By, Music By – URUSaxophone [Tenor] – Akihiko "Yossy" YoshimuraTrombone – Daisuke "Maetti" Maeda*Trumpet – Masahiro "Tsucky" Tsukiyama

Acoustic Guitar – Masato IshinariArranged By [Strings] – Shinichi Osawa, Tatsuya MurayamaBass [Wood Bass] – Kouichi Osamu*Percussion – Izumi MisawaProducer, Music By – Shinichi OsawaStrings – Murayama/Kiriyama Strings*

Producer, Arranged By – Akihisa MatzuraVoice [All Voices], Performer [Instruments], Effects, Music By – Ken Hirai

Music By – Ken HiraiProducer, Arranged By, Piano – Satoru ShionoyaStrings – Chieko Kinbara Strings*