Yellow Submarine needs two chords. C and G, and that is the whole song. No capo, standard tuning, one C harmonica. The tutorial stacks it one layer at a time: the two chord shapes and the strumming pattern first, then singing the chord names out loud while you play them so you stop losing your place in the progression, then the harmonica melody on its own.
Then comes the Air Guitar drill. You mime the strumming pattern with your hands while you play the melody, so your hands learn the rhythm before the strings are allowed back in. Only after that do both parts go together, first at a slow count and then a little faster. That is the one-person-band.
The practice worksheet puts the chords and the tabs on one page, with the Air Guitar drill and a 3-day plan. Download it below, print it, and play along with the video.
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