To start learning Doris Day - Moonglow chords, build your understanding on these basic chords - Eb, Bb, Eb, Bb, Gm, Cm, Gm, C, Bb and E in sequence. A strategic approach would be to train at 69 BPM initially, and then accelerate to the song's tempo of 139. With G Minor as the song's key, tweak the capo to cater to your vocal pitch and chord likes.