Listen to the sound clip 6. E.C.H.O. from SWING HOLIC VOL.12 - Video Game Music: 6. E.C.H.O. 6. E.C.H.O. This sound is from SWING HOLIC VOL.12 - Video Game Music Video game music from SWING HOLIC VOL.12 for Windows. Published by Swing Holic (2013). Uploaded by ViviVGM. Go to the full soundboardwith more sound clips Search