jamming
n. uncountable B2 Upper Intermediate US //ˈdʒæmɪŋ// UK //dʒˈæmɪŋ// jam·ming
n. the act of playing music with other people in a relaxed way without practicing first. You do this to have fun and try out new musical ideas.
n. the practice of improvising music collectively in an informal setting. Often used to describe jazz or rock musicians developing themes without a pre-written score.
The band spent the whole afternoon jamming in the garage.
After the formal concert ended, the musicians stayed late for a session of late-night jamming at the local club.
What began as casual jamming between the two guitarists eventually evolved into the complex melodic structure of their most successful studio album.
Usage
Commonly appears in the compound noun 'jam session' or as a gerund following the verb 'go'.