After three years and countless shows with pop phenom Halsey, keyboardist and composer Greg Spero has left the singer's band to pursue new musical adventures.

Spero has launched a new pop-meets-jazz web series entitled "Tiny Room" (the first installment can be seen below), and his band Spirit Fingers (formerly "Polyrhythmic") is set to release their debut album March 16 on Shanachie Records.

Follow his latest happenings on Twitter (@gregspero) and Instagram (@gregspero), and at