In February 1974 drummer Vini Lopez left the E Street Band and Sancious recommended his friend, Ernest Carter, as a replacement. Later in the year Sancious and Carter helped record the title track of Springsteen's third album, Born to Run before leaving the band. Ironically, the band formally adopted the "E Street Band" name only after the band member whose family lived on that street (i.e., Sancious) left the group.
In August 1974 Sancious and Carter left the E Street Band and formed their own band Tone with bassist Gerald Carboy. At various times the band would feature Gail Boggs, Brenda Madison, Patti Scialfa, Gayle Moran (from Return To Forever and The Mahavishnu Orchestra), former Brian Auger, and future Santana vocalist Alex Ligertwood. Springsteen encouraged Sancious in his solo career and made sure music executives heard his demos, leading to a contract with Epic Records.