Play " I Walk the Line", "Ring of Fire", "Sunday Mornin' Comin' Down", "Get Rhythm", and "Cry! Cry! Cry!" by Johnny Cash on any electric guitar. Each song includes a new Authentic Tone. NOTE: Rocksmith® 2014 game disc is required for play. Music credits available at www.rocksmith.com. Music Downloads Not Rated by the ESRB.