A subscription service offers certain content in exchange for a periodic recurring fee (subscription). However, if the user stops paying the subscription, the content may be no longer available. The subscription model is used by Spotify, Apple Music and other digital streaming services offering music on-demand over the Internet.
How Does A Music Synthesizer Work?
A music synthesizer makes sounds by using an electrical circuit as an oscillator to create and vary the frequency of sounds in order to produce different pitches.