To learn Brussels Philharmonic, Alan Silvestri, Dirk Brossé - (From The Avengers) The Avengers chords, these are the chords to practise in sequence: C, G, Eb, C, Gm, C, G, A and Gm. Begin your practice at a relaxed 59 BPM, then work your way up to the song's BPM of 120. Set the capo considering your vocal range and favored chords, aligned with the key: G Minor.