Arc is a composition of feedback, guitar noise, and vocal fragments that was realized from various shows on the 1991 Neil Young and Crazy Horse US tour, which was originally released with Weld in a special-edition 3-CD set called Arc-Weld.
According to an interview with Steve Martin of Agnostic Front that appeared in the December 1991 issue of Pulse! magazine, Arc had its genesis in a film that Young made called Muddy Track, which consisted of the beginnings and endings of various songs from his...
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