Let’s Wait Awhile by Janet Jackson is featured in Tested, the sixteenth episode of Season Five. It is sung by Artie (Kevin Mchale) and Mercedes (Amber Riley), with Sam (Chord Overstreet) and Julie (Stephanie Hunt) harmonizing.
No copyright infringement is intended. Please note I do not own any of these songs or clips. If you are interested in this song it is available to buy and download from Google Play & iTunes, available to stream on Netflix in multiple countries around the world. Along with all 121 Episodes from all 6 seasons. :)