曲目 (kyokumoku) means “piece of music”

More examples

コンサートの曲目を一部変更します。ko n sā to no kyoku moku o ichi bu hen kō shi ma su

We will change some of the pieces in the concert.

Centers on a musical work treated as one selected item in a program or list.

楽曲gakkyoku: A musical composition regarded as a complete artistic work.
曲kyoku: A musical piece identified by its melody or title.

演奏会などで演奏する曲、またはその題名。en sō kai na do de en sō su ru kyoku ma ta wa so no dai mei

曲目 (kyokumoku) combines 曲 (kyoku, "musical piece") and 目 (moku, "item"), giving the sense of a musical piece treated as one listed item.

Concert programs often list each 曲目 (kyokumoku) with its composer and title, so the word can refer to the selected work as well as its entry in the program.