UPDATE: February 25, 2020 - We're updating this list over the next few days, please check back regularly for more playlist curators.
Spotify Playlist Curators By Genre:
Below is a list of sites that curate playlists that you can submit your music to for free:
Genres: Chill, EDM, Future Bass, Hip Hop, House, Indie, Pop, RnB, Rock, Trap
Genres: Alternative, Americana, Country, Folk, Indie, Indie Pop, New Music, Punk, Roots, Singer-Songwriter, Ska/Reggae
Genres: Chill, Electro, En Espanol, Folk, Happy, Hipster, Indie/Alternative, Latin, Love, New Music, Oldies, Party, Pop, Rock, Sad, Urban, Workout, World Music
Genres: Alternative R&B, Disco, Electronic, Experimental, Folk, Funk, House, Pop, Rock, Soul
Genres: House/Electronic , Disco, Triphop/Electronica, Hiphop/Urban, Chillhop/Beats, Chill, Rock/Indie, Pop/Commercial, Drum & Bass, Reggae/Dancehall, Afrobeats/Afropop, Latin
Genres: Rock / Guitar, Electric, Urban/R&B, Pop, Other
Genres: Blues,Christian, Classical, Compilation / Mix, Country Music, EDM, Folk, Holiday Music, Latin, Metal, Pop Music, Punk, Rap Music, Rock Music, Soundtrack, World
To get additional exposure, you may want to submit to Music Review Sites and relevant genres from this List of Music Blogs