Piece Of Music, Song, Melody
Noun and Suffix
きょく
その曲の名まえ、何だったっけ。
What was the name of that song?
何かおすすめの曲はありますか？
Are there any songs you would recommend?
彼がピアノで一曲弾いてくれたんですが、何故かそのピアノはギターの様な音がしたんです。
He played a tune for us on the piano, but for some reason, the piano sounded like a guitar.
This almost shares the meaning with the kanji. It's essentially the same thing, though when it's alone it refers to a specific piece of music (aka a tune).
The reading is the same as the one you learned with the kanji as well, so you should be able to read it.