To jam and learn the simple chords for Mac Ayres - Slow Down chords, practice playing Em, A, F#, B, Em, F#m, B, A, F#m and F# in sequence. To master the tempo, it's wise to start at 29 BPM before aiming for the song's 60 BPM. Considering the song's key of D Major, position your capo to suit your vocal and chord preferences.