Don’t Hold Back 2.0 Lyrics JACK & JONES’ new promotional song, sung by Ranveer Singh, Devil The Rhymer, SlowCheeta, Spitfire & Kaaam Bhaari, music produced by Anushka and Shikhar Manchanda. Song: Don’t Hold Back 2.0 Singer: Ranveer Singh, Devil The Rhymer, SlowCheeta, Spitfire & Kaaam Bhaari Music: Anushka and Shikhar Manchanda Director: Navzar Eranee