4:00 Gryffin & Slander - All You Need To Know ft. Calle Lehmann (Official Music Video) 3:58 Gryffin & Slander - All You Need To Know (Lyrics) ft. Calle Lehmann 3:48 All You Need To Know ft. Calle Lehmann (Acoustic Video) 4:16 Shane Filan - All You Need To Know (Studio Version) 4:01 Gamma Ray- All You Need To Know 4:00 Gryffin, SLANDER - All You Need To Know (Audio) ft. Calle Lehmann 3:52 Gryffin - All You Need To Know (LIVE from GRAVITY II TOUR) 4:53 All You Need - Midnight Blu (Official Audio)