Green’s Dictionary of Slang

drums or other percussion devices.

1920		C. Sandburg ‘Jazz Fantasia’ in Smoke and Steel 63: You jazzmen, bang [...] drums, traps, banjoes.
1938		Pic (N.Y.) Mar. 7: hide busting. — going to town on the drums. Godfrey Hirsch, ‘My Man Godfrey,’ beats it up on the traps.
1949		N. Algren Man with the Golden Arm 165: I took over the traps for the drummer tonight.