Quick answer — Hironobu Kageyama and Hideaki Takatori performed 1 anime theme, including "Sonic Drive" from Sonic X.
Hironobu Kageyama and Hideaki Takatori performed the anime theme songs "Sonic Drive" (Sonic X).
Hironobu Kageyama and Hideaki Takatori's first listed anime theme is "Sonic Drive", the opening of Sonic X.