
1) Netflix original programming 2) Personal music compilation 3) Sound production technology 4) Underground hip-hop release
Found on
https://www.crosswordclues.com/clue/mixtape

A mixtape, mix-tape, mix tape or mixed-tape is the generic name given to any compilation of songs recorded onto any audio format. A mixtape, which usually reflects the musical tastes of its compiler, can range from a casually selected list of favorite songs, to a conceptual mix of songs linked by a theme or mood, to a highly personal statement tai...
Found on
http://en.wikipedia.org/wiki/Mixtape

a collection of free tracks, usually downloadable or on cassette tape - Let's download some more mixtapes.
Found on
https://www.englishclub.com/vocabulary/music-vocabulary.htm
No exact match found.