SoundCloud has launched new 'Buzzing Playlists' to highlight up-and-coming tracks from artists.The playlists include Pop, Hip Hop, R&B, and Electronic music and feature tracks from SoundCloud's Next Pro artists.SoundCloud uses signals like repeat plays, playlist adds, likes, comments, and reposts to curate the playlists, which are updated weekly.Tracks featured in Buzzing Playlists have the potential to be highlighted further in SoundCloud charts or editorial playlists.