muser

One who muses.

Noun

From Middle English musere. By surface analysis, muse + -er.

A user of the social media service Musical.ly.
- With cool features for searching for content, sharing your own videos, and remixing work from other musers, there’s terrific potential here for an exciting, creative space for making music. - 2016 February 19, Patricia...
- “One of the differences to other apps,” he [Alex Hofmann] said, “is that we don’t only talk to the musers” – the company’s term for users – “we talk to the parents.” - 2016 September 25, John Herrman, “Popular video app...
- harvey: […] We were thinking of doing something with Amelia Gething and Houssein – it would be nice, because they’re also British musers and we’ve become really good friends. - 2017, Max Mills; Harvey Mills, Max and...

Likely a blend of Musical.ly (or music/musical) + user.