Very bad
"Unfortunately, I used this website, and I strongly do not recommend it for artists at all. I work with music distribution companies, but I only encountered problems with sparemusic.com. I have released multiple tracks, and when my releases generated profits of around $19,000, the payments were suspended. They claimed that there was an issue with one of the stores and asked me to wait. After waiting for about a year and contacting the sparemusic support team, they said they were waiting for a response from the store, but I never received any reply. My releases were deleted after they were well-known, causing me significant loss. Additionally, they requested a payment that was postponed by them, which led to the suspension of my account. I do not recommend them at all. I believe they do this with artists who earn significant profits."