If you believe him to be a real hippie find him some of these or make him a cd of rare songs from that time. The following are some albums he may like.
Electric Music For The Mind & Body - Country Joe & The Fish
Piper at The Gates of Dawn - Pink Floyd
After Bathing At Baxter's - Jefferson Airplane
Easter Everywhere - 13th Floor Elevators
H.P. Lovecraft - H.P. Lovecraft
Balaklava - Pearls Before Swine
I Feel Like I'm Fixin' To Die - Country Joe and The Fish
Volume 2 - West Coast Pop Art Experimental Band
Forever Changes - Love
12 Dreams of Dr Sardonicus -Spirit
A Child's Guide To Good & Evil - West Coast Pop Art Experimental Band
Captain Beyond - Captain Beyond
A Saucerful Of Secrets - Pink Floyd
Hurdy Gurdy Man - Donavan
The Twain Shall Meet - Eric Burdon & The Animals
Their Satanic Majesties Request - Rolling Stones
Psychedelic Lollipop - Blues Magoos
Underground - The Electric Prunes
Magical Mystery Tour - The Beatles
Long Years in Space - Neighb'hood Childr'n
Renaissance - Vanilla Fudge
Journey To The Center Of The Mind - The Amboy Dukes
or you could make a cd with some of these songs:
1.HP Lovecraft - At The Mountains Of Madness http://www.youtube.com/watch?v=EHxuWBzBbpw
2.Country Joe and The Fish - Bass Strings http://www.youtube.com/watch?v=XjoSM4uDcGM
3.Gong - Other Side of the Sky http://www.youtube.com/watch?v=fP05m40spQw
4.Translucent Carriages - Pearls Before Swine http://www.youtube.com/watch?v=EWfN9R3zyx8
5.Beacon From Mars - Kaleidoscope http://www.youtube.com/watch?v=gX_ra7RIKBA
6.Shifting Sands - West Coast Pop Art Experiemental Band http://www.youtube.com/watch?v=nddCiEy1zQg
7.The Parable of Arable Land - The Red Crayola http://www.youtube.com/watch?v=CIZahE33Q6s
8.Zig Zag Wanderer - Captain Beefheart & The Magic Band http://www.youtube.com/watch?v=rxZWdGOwLFI
9.I've Got Levitation - 13th Floor Elevators http://www.youtube.com/watch?v=P6hro4qsb80
10.Hallucinations - Tim Buckley http://www.youtube.com/watch?v=fXM7GSX2fak
take care
dave