If you just put bug in my beer in the lyrics and knowledge search you getall this information:

If you search for this in the mudcat search box you will find
reference to this thread:
http://www.mudcat.org/thread.cfm?threadid=42366#615206
Which mentions this web page:
http://www.patuxentrecords.com/nu-cd038.htm
the artists and title are:
# Jay Summerour and Warner Williams
# "Hey Bartender, There's a Big Bug in my Beer"
There is a sound file (real audio) here:
http://www.pxrec.com/Patuxent_Blues-williams-home.htm

In thr future, when you have a question always search first and you
can often find the answer. Welcome to mudcat...there are many answers
here! (and questions too)