Dan Lampinski is a legendary taper from the Boston/ Providence area in the 1970's who is said to have recorded over 300+ concerts.

I was trying to find  a list of his concerts he taped and stumbled on a youtube page that had a large number of concerts said to be directly from his master tapes.

When he started taping in 1974 he had a mono hand held dictation type machine with an internal mic which he upgraded later in 1974 to a Sony and then really upgraded again in 1977 to a Nakamichi.

Here is his story from rirocks.net

Dan Lampinski,……grew up in Pawtucket, RI and recorded over 100 concerts in the Providence/Boston area, mostly between 1974 and 1978. His earliest recordings were made with an internal microphone deck, and though they are somewhat lo-fi compared to his later work, some very great moments in rock history were captured for posterity. In late 1974 he bought a Sony TC-152SD tape recorder, a Sony ECM-99 stereo microphone, and began using Maxell cassettes. He was also fortunate enough to have a friend who provided excellent taping seats for many shows, resulting in high quality recordings. In 1977, he switched over to a Nakamichi 550 tape recorder, two Nakamichi CM-300 microphones, and continued using Maxell cassettes. Some of the 70's bands he recorded includes: Yes, Genesis, Pink Floyd, Queen, Blue Oyster Cult, Frank Zappa, Jethro Tull, ELP, Kiss, Black Sabbath, The Who, Al Stewart, Alice Cooper, Jeff Beck, Bruce Springsteen, Supertramp, Jean-Luc Ponty, Moody Blues, Neil Young, The Faces, Rush, Rick Wakeman, Kansas, as well as several "under the radar" acts.  Dan still lives in Pawtucket, RI and contributed his concert list from 1971-2009, ticket stubs and ads for this website.

Here is very good ABB recording of his from the Providence Civic Center June 5, 1974

 His other concerts can be accessed if you search for Dan Lampinski on youtube. Some really amazing tapes by this prolific taper.