What is the best service to promote music in Spotify?

Free promotions on Spotify can be effective for increasing the popularity of a song or artist and getting more listens, but they may not be as effective as paid promotions for achieving specific marketing goals. Paid promotions on Spotify can provide more targeted and personalized marketing strategies, such as targeting specific geographic locations, demographics, and interests.

If you're using Spotify but not getting the attention you want, I know how to help you. I used a service that was recommended to me by a musician friend of mine, look at here, and he also used this sevrice to get more subscribers, more views and recognition for his songs. I think you should promote your music naturally too, I am sure you will become a celebrity.