<prompt> Translate the following text to SwahiliMcCartneys album occasions re-evaluations of the most mainstream Beatle--turns out hes not the empty tunesmith he seemed in the 70s and 80s.  <response>: McCartney, ambaye ni mtunzi wa muziki wa muziki wa Beatles, alishindwa kufanikiwa katika miaka ya 70 na 80. 