Music: Satoru Kosaki (monaca)
Arranger: Satoru Kosaki, Keiichi Okabe, Ryuichi Takada
Sound Director: Yota Tsuruoka (Rakuonsha)
Music Producer: Shigeru Saito (Lantis)
Music Production: Lantis
Sound Effects: Eiko Morikawa (Sound Garden)
Sound Production Manager: Yoshimi Sugiyama (Rakuonsha)
Sound Production: Rakuonsha
"Bouken De-show De-show?" - 1st Opening Theme
Vocal: Aya Hirano
Composer: Akiko Tomita
Arranger: Junpei Fujita
Lyricist: Aki Hata
"HAREHAREYUKAI" - 1st Ending Theme
Vocal: Haruhi Suzumiya (CV: Aya Hirano), Yuki Nagato (CV: Minori Chihara), Mikuru Asahina (CV: Yuko Goto)
Composer: Tomokazu Tashiro
Arranger: Takahiro Ando
Lyricist: Aki Hata
"Super Driver" - 2nd Opening Theme
Vocal: Aya Hirano
Composer: Satoru Kosaki
Arranger: Satoru Kosaki
Lyricist: Aki Hata
"TOMARE!" - 2nd Ending Theme
Vocal: Haruhi Suzumiya (CV: Aya Hirano), Yuki Nagato (CV: Minori Chihara), Mikuru Asahina (CV: Yuko Goto)
Composer: Tomokazu Tashiro
Arranger: Takahiro Ando
Lyricist: Aki Hata
"Koi no Mikuru Densetsu" - Episode 25 Insert Song
Vocal: Mikuru Asahina (CV: Yuuko Gotou)
Composer: Satoru Kosaki
Arranger: Satoru Kosaki
Lyrics: Yutaka Yamamoto
"God knows..." - Episode 26 Insert Song
Vocal: Haruhi Suzumiya (CV: Aya Hirano)
Composer: Satoru Kosaki
Arranger: Satoru Kosaki
Lyricist: Aki Hata
"Lost my music" - Episode 26 Insert Song
Vocal: Haruhi Suzumiya (CV: Aya Hirano)
Composer: Satoru Kosaki
Arranger: Satoru Kosaki
Lyricist: Aki Hata