Be sure to add me to your favorites list Original Casio Vintage Song Book for VL-Tone Mini Keyboard, Very Rare and Hard to Find, Vol. 5, "Fun Sounds with ADSR" Booklet This is an original Casio book of sound settings and song music, for use with the vintage VL-Tone mini keyboard. This is a volume 5 "Fun Sounds with ADSR", VL-Tone song book, and it's from 1981 and in very good used condition. (ADSR stands for Attack, Decay, Sustain, Release). There is a small section on how to program / play / record / playback with this great vintage keyboard, a much larger section on using the ADSR to make various sounds with your VL-Tone, followed by a 3rd section with 23 different songs (see Table of Contents), to use your various sound settings with. This book is in very good used condition considering it's age. There are some marks on the covers, but no writing or tears in the book. This is a very unique vintage booklet for the VL-Tone fan with a total of 68 pages, printed in the USA, from 1981!