wow dead form of media wow

so I visited some family friends today and this guy saw me and told me I had the potential so he showed me his cassette tapes and said take as many as I would like and here were my selections:

Permanent Waves by Rush
Don't Look Back by Boston
Kingdom Come s/t
Voulez-Vous by Abba
Blizzard of Ozz by Ozzy Osbourne
Houses of the Holy by Led Zeppelin
Old Man Picking Up Sticks by Led Zeppelin
Level Headed by Sweet
Screaming For Vengeance by Judas Priest
Toto s/t
Belladonna by Stevie Nicks
The Game by Queen
Xanadu Soundtrack

wow