Learn a full Gospel arrangement of Oh Happy Day step by step. Beginners map the song’s form, lock the groove, play the melody clearly, and use simple left-hand patterns with basic triads over slow backing tracks. Intermediate lessons add two-hand voicings, inversions, tasteful passing chords, slash-chord bass movement, and syncopation with band play-along. Advanced training explores reharmonization options, extended chords, walk-ups/turnarounds, fills and runs, and dynamic build for a church-rea