Howard Stern’s producer Gary Deevy revealed that the departure of composer Tapia de Veer from The Howard Stern Show was not due to a feud, but rather a disagreement over music style. Deevy shared that he had previously suggested giving fans a longer version of the theme song, but was shot down by co-star Mike White. According to Deevy, there was no major conflict between him and de Veer, and their collaboration worked well during the first two seasons, but de Veer became increasingly resistant to receiving feedback after season three.
Source: https://www.eonline.com/news/1418329/walton-goggins-aimee-lou-wood-address-snl-parody