Ah, Melanie (Safka). Her career never recovered from this song.
If you mean by "recovered" that she had 3 top 40's at the same time with "Brand New Key" at #1, and was named by Billboard as the top female vocalist of all time, then yeah.....
A lot of people labeled Melanie as a singer of light fluff, despite only knowing her for "Brand New Key". Hardly a fair assessment of her range, but it happened.
I had no idea that this song ever made it to the top of the charts. I just remember it being constantly played until I was completely sick of hearing it. Here is another one from that era that was just as annoying.
[ame=http://www.youtube.com/watch?v=HSNSTerj2Kc]Middle of the Road - Chirpy Chirpy Cheep Cheep - Totp 1971 - YouTube[/ame]