How to harmonize a riff using 3rds (ie going up a minor or major 3rd from each note in the riff). I used the Dminor harmonic minor scale which has the following notes: D, E, F, G, A, Bb, C#, D.

Here’s the video. I’ve uploaded my videos to multiple sites at once now. Metacafe will reward me for viewership (unlike YouTube who got bought for $1.6B for user-submitted content). ;o)

Here’s the guitar tab: Week 6 Lesson – Harmonizing Riffs. Note the Drop D tuning and time signature changes in 4th bar.