To jam and learn the simple chords for Nickelback - Rockstar chords, practice playing F, Gm, Bb, C, Eb, F, G, C, G and Bb in sequence. Begin your practice at a relaxed 72 BPM, then work your way up to the song's BPM of 144. With C Minor as the song's key, tweak the capo to cater to your vocal pitch and chord likes.