music to one’s ears: something great

→ She really missed her family a lot, so it was music to her ears when she heard her sister’s voice.

for a song: for a very low price

→ The shop at the beach was closing for the winter, so she was able to buy a swimsuit for a song.

face the music: handle consequences of an action

→ She was unprepared for the meeting, so she had to face the music when her boss asked for a report.

ring a bell: sound familiar

→ He didn’t recognize the professor’s face, but her name rang a bell.

sing someone’s praises: say very good things about someone

→ When he finally handed in an excellent report, the boss sang his praises to the whole department.