To jam and learn the simple chords for Phil Chang - Birds Prisoned In Cages chords, practice playing Bb, Am, Dm, C, F, Am, C and Bb in sequence. A good strategy is to initiate at 52 BPM and then accelerate to the track's regular speed of 105 BPM. With an eye on the song's key F Major, set the capo that best suits your vocal range.