Kieli atah ve'odekah eloikai aromimekah.
You are my G-d and I will give thanks to You; You are my G-d and I will exalt You.
The above video is of a yeshiva student performing the nigun in his dorm room.
There are several renditions of this nigun, and because the nigun comes from such a deep part of the soul, you can feel the difference from each person singing.
Here are several more versions