Looper -

In biology, a "looper" is the larva of certain moth species, most notably the cabbage looper ( Trichoplusia ni ). Looper - an overview | ScienceDirect Topics

Musicians use it to layer sounds, allowing a solo performer to function as a full band by adding bass lines, rhythms, and harmonies in real-time. Looper

The film Looper , directed by Rian Johnson , stars Joseph Gordon-Levitt and Bruce Willis. It follows "loopers," hired assassins in the year 2044 who execute victims sent back in time by future criminal syndicates. The central conflict arises when a looper is assigned to "close the loop" by killing his future self. 2. Music and Sound Production In biology, a "looper" is the larva of