Machine Head

Machine Head is an album by Deep Purple, released in April 1972.

Track Listing

1. "Highway Star" (Blackmore/Gillan/Glover/Lord/Paice)
2. "Maybe I'm A Leo" (Blackmore/Gillan/Glover/Lord/Paice)
3. "Pictures Of Home" (Blackmore/Gillan/Glover/Lord/Paice)
4. "Never Before" (Blackmore/Gillan/Glover/Lord/Paice)
5. "Smoke On The Water" (Blackmore/Gillan/Glover/Lord/Paice)
6. "Lazy" (Blackmore/Gillan/Glover/Lord/Paice)
7. "Space Truckin'" (Blackmore/Gillan/Glover/Lord/Paice)

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Machine Head is also the name of a thrash metal band.

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The term machine head refers to a type of tuning mechanism used with stringed instruments such as the guitar that uses worm gears to control the string tension.