I have wanted to try reharmonization for a while now and finally got the inspiration to sit down and do it. Reharmonization is an exercise where one takes a piece of music that already exists and rewrites the chord progression while keeping the melodic identity of the song unchanged.
This was my first go at it and I didn't really know what I was doing, so I winged it. But I had a lot of fun and am pretty happy with the results! Here's how I approached it.