To start learning Acoustictrench - Numb chords, build your understanding on these basic chords - F#m, E, F#m, A, E, F#m, D, A and F#m in sequence. For best results, commence at 55 BPM and progress to the song's BPM of 110. Given the song's key of D Major, adjust the capo to align with your vocal range and chord preference.