3:32 Halsey - Nightmare (Live - Fritz Session) 6:18 Avenged Sevenfold - Nightmare (Acoustic Version) 6:36 Avenged Sevenfold - Nightmare Acoustic Guitar Cover 4:03 Halsey - Nightmare in the Live Lounge 6:30 M.S.G. - Nightmare 5:11 AVENGED SEVENFOLD - Nightmare (WAY TOO HAPPY COVER!) 3:13 Nightmare - Halsey (Acoustic) | Cover by Lunity 5:10 one take: nightmare 2:42 Nightmare by Halsey | acoustic cover by Jada Facer 4:50 Halsey - Nightmare (live & acoustic in Berlin) 1:07 Avenged Sevenfold - Nightmare ( Acoustic Version Guitar Solo Cover ) 1:05 Avenged Sevenfold - Nightmare Acoustic 3:33 Nathan Sharp - Nightmare // Acoustic Version (Slowed+Reverb)