Cool Blues Piano-Keyboard Grooves is a music instructional book written by internationally acclaimed author/musician Andrew D. Gordon . Andrew D. Gordon has written over 60 music educational books such as: “12 Bar Blues Bible”, “100 Ultimate Blues Riffs”, “60 Of The Funkiest Keyboard Riffs Known To Mankind”, “The Bluesier Side Of Jazz”, “Ultimate Latin Riffs for Piano/Keyboards” available worldwide through music stores and internet sit...