To start learning Blink-182 - Not Now chords, delve into these chords sequence to get the song's feel: A, G, D, G, F#m and A. For a smooth transition, initiate your practice at 53 BPM and gradually match the song's pace of 106 BPM. With D Major as the song's key, tweak the capo to cater to your vocal pitch and chord likes.