Music publishers and record labels serve different functions. Publishers work with songwriters and song demos, the raw material of the music business. They deal primarily with the acquisition and promotion of songs. In contrast, record labels work with recording artists and their finished products recorded versions of songs (referred to as masters) and are responsible for the promotion and marketing of master recordings.
Everything related to the online promotion of music and me as a beginner musician still raises many questions. First of all, I consider Spotify as a platform. In my search for promotion options, I found Spotify promotion. There are packages with different conditions, and for beginner creators, so you can choose the promotion package, pay, and enjoy.