settle back into the Dead’s mellow jazzscapes in 1973, then emerged as a full-tilt rocker in the late seventies (when it was commonly mated with The Rascals ’ “Good Lovin’”). Phish is known to have covered “Bertha” at three of their earliest gigs: 11/3/84 , 12/1/84 , and 3/16/85 . Apart from