4:30 owl city - fireflies (slowed + reverb) 6:17 spaceouters - fireflies (slowed + reverb) 4:41 spaceouters - fireflies (slowed + reverb) 4:55 fireflies (slowed + reverb) 4:08 Owl City - FireFlies (Lyrics) - Slowed + Reverb 4:48 owl city - fireflies (slowed down) 4:10 Fireflies - Owl City (TikTok Version) Slowed 5:46 Ｏｗｌ　Ｃｉｔｙ　－　Ｆｉｒｅｆｌｉｅｓ　（Ｖａｐｏｒｗａｖｅ） 2:44 Spaceouters - fireflies (best part slowed+reverb) 4:38 Owl city - Fireflies ( Slowed ; Reverb ) 5:00 spaceouters - fireflies 4:10 Owl City - Fireflies (Slowed + Reverb + Bass Boosted) 4:16 Owl City: Fireflies ( slowed + reverb ) 3:53 Owl City - Fireflies (Official Music Video) 4:48 owl city - fireflies but it's raining (slowed & reverb)