SIGMA x Sam Feldt‘s new single, ‘2 Hearts’, hits 1.5 million streams on Spotify and received its first national radio play with Scott Mills’ show on BBC Radio 1.  The track has also been featured on the ‘Massive Dance Hits’ (1.1 million followers), ‘TGIF’ (1.6 million followers) and ‘Happy Hits’ (4.4 million followers) playlists, listen here…