noun
original song; original piece of music
Refers to a musical work created by the artist or composer themselves, as opposed to a cover or arrangement. Can also mean music composed for a particular event or purpose.
彼女のライブでは、有名なカバー曲だけでなくオリジナル曲も披露された。
At her live performance, not only famous cover songs but also original songs were performed.
この映画のために書き下ろされたオリジナル曲が話題になった。
The original music written specifically for this movie became a topic of conversation.