This puzzle requires a sharp wit, a brilliantly agile mind and a superb sense of humour.
Decode the following to find some lyrics from a popular song from the 1970's.

39 8 92 ' 75 16 8 23 A
49 , 53 4 T
39 8 92 90 49 19 90 53 16 16 8 7 G
53 16 A
5 8 92 T
39 8 92

It wasn't Alanis Morissette, but it could have been if she had been alive at the time.  

I will leave this vague for others to deduce the answer, and because Peter, Paul and Neil say so.

Edited on March 21, 2006, 4:31 pm

Posted by Leming on 2006-03-21 16:25:25