The Tritone Substitution chord is an essential harmonic device to know and love as it is such a phenomenal sound and is key to understanding so much Jazz chromatic harmonic resolution.

The amount of information we can learn form studying this exotic harmonic switch so beloved of pro jazz players is myriad.

In this tutorial we put the magnifying glass on 7 superb real life examples of where Stevie Wonder  has harmonically used this essential to know Tritone substitution to such devastating effect.

We unravel the enigma behind sophisticated tensions such as the 13th, sharp 9th, and augmented 5th – once seemingly intricate complexities now revealed as vibrant hues to be  harnessed, akin to adding exquisite condiments to a gourmet dish.

The PDF contains the following:

• Extracts from the following Stevie tunes are analysed that contain the sub V with 2 hand Piano parts with 'cool' sounding notated chords + bar by bar explanation:

1. As (Tritone example in B major) 
2. As if you read my mind, (Tritone Sub to chord IV)
3. Lately ( Tritone example in Db with modulation)
4. I can't help it - (in Ab starting on the tritone)
5. The Secret life of Plants (in Db)
6. Sir Duke (in B)
7. From the bottom of my heart (in C)

• A separate PDF  tutorial called "What is a tritone substitute? that explains the basics of what a tritone substitute actually is if you are new to it.