What musical instrument was scorned by early country musicians as being "too loud" and "not pure"?

Prior to 1935, drums were scorned as being "too loud" and "not pure" by early country musicians. However, when Western swing big band leader Bob Wills added drums to the Texas Playboys, it marked the start of a whole new sound in country music.

Asked by Rachel Bortles · Last updated 5 years ago · 386.9K views · SOURCE