To learn John Mcdermott - (Loch Lomond) By Yon Bonnie Banks chords, these are the chords to practise in sequence: F#m, E, A and E. A good strategy is to initiate at 73 BPM and then accelerate to the track's regular speed of 146 BPM. Given the song's key of E Major, adjust the capo to align with your vocal range and chord preference.