To jam and learn the simple chords for Foo Fighters - Come Back chords, practice playing C#m, B, C#m, E, B, C#, E, A, F# and C#m in sequence. A strategic approach would be to train at 59 BPM initially, and then accelerate to the song's tempo of 119. Fine-tune the capo based on your vocal range, ensuring it complements the key of B Major.