To jam and learn Westlife - My Blood chords, your primary focus should be mastering these chords sequence: B, G#m, E, F#, E, B and C#m. A good strategy is to initiate at 46 BPM and then accelerate to the track's regular speed of 94 BPM. Adjust the capo based on your vocal range and chord preference, keeping the song's key of B Major in mind.