This is a hardback 1969 reprint of the 1959 revised edition of "The Observer's Book Of Music" by Freda Dinn G.R.C.M., A.R.C.M., A.T.C.L.   It is volume 16 of this collectable series in a glossy edition.  The book has numerous illustrations, many in colour, by Paul Sharp A.R.C.A., A.T.D.  It includes sections on sound, musical instruments, concert programme terms, and composers.