TikTok’s FYP, or For You Page, is the best place for music creators to test their Minimum Viable Song—a stripped down demo that conveys the essence of their sonic musings. A sonic prototype normally sent to bandmates or producers, seeking feedback. TikTok however, distributes it among its 1B MAUs, who give instant feedback with their attention and engagement.
Source: How TikTok Creators are Redefining “Success” in the Music Industry