qǔ​diào

melody

曲调 (曲調) qǔ​diào
melody noun
The sequence of musical notes that form a distinct tune.

This melody is so catchy that I could hum along after hearing it just once.

Frequency

Movie subtitles
1.31 per million appears in 1% of films
Written text
1.65 per million

Sources

Definitions
CC-CEDICT