yes the song [imo= is acceptable ,i have certain criticisms of the perfomance, the fake american accent, the use of the drum machine ,i would not give him a booking but i might give him a floor spot but not ever week and not till he improved his diction threw away the drum machine started accompanying the song instead of following the drum machine.
yes, i have, it was colchester folk club and the guest was andy caven, to be fair to andy he performed buddy holly very well, but it was not imo folk music