Learn and practice all the 12 saxophone keys including the altissimo range. Part of the ...by Ear series this is the revolutionary way to learn musical instruments in some days, instead of months and years! You can practice a random scale every day for 30 minutes and already after 3-5 days you will feel unbelievable gains in your freedom of musical expression on the saxophone. Give it a try, you will not believe how far and how fast you will advance!