Let's start jamming Pritam, Arijit Singh - (From Jab Harry Met Sejal) Hawayein chords, Practice these chords sequence - A, D, G, D and A. A strategic approach would be to train at 63 BPM initially, and then accelerate to the song's tempo of 126. With D Major as the song's key, tweak the capo to cater to your vocal pitch and chord likes.