10 box sets and each one is a different style of music. Each box set is 4 LP and includes a book and listening guide.

Box sets of LP from various recordings

STL 141 Age of Elegance 4 LP

STL 148 Slavic Traditions 4 LP

STL 151 Baroque Era 5 LP

STL 149 Spanish Style 4 LP

STL 142 Opulent Era 4 LP

STL 146 Early 20th Century 4 LP

STL 145 Music of Today 4 LP

STL 152 Romantic Era 5 LP

STL 154 Age of Revolution 5 LP

STL 155 Prelude to Modern 4 LP