The book discusses the use of the unaltered 9th and the flattened 9th. Use the 9th to smooth the path from one chord to the next and to give a bluesy feel.
THE EXTENDED MINOR CHORD: A Practical Guide to Improvisation
A PRACTICAL GUIDE TO PLAYING THE ORGAN - Anne Marsden Thomas - ORGAN TUTOR - GC
The Science of Music: A practical look at music theory
THE STARTING NOTE : A Practical Guide to Improvisation
Scherzo in C minor (WoO post. 2) - 3rd Movement of the 'F.A.E.-Sonata' composed by R. Schumann, A. Dietrich and J. Brahms - violin and piano - (EB 6049)
Aztec Death Whistle - Loudest Scream at 125+ Decibels, Ghost Whistle for Halloween and The Feast of the Dead (A)