Praise and Worship Song "Lord, I Give You My Heart", also Titled "This Is My Desire".
Disclaimer: I do not claim any ownership on the music shared in this video. The songs/music played are intended for promotion use only and will not be sold. These are not intended to infringe upon the rights of the artists.
Written lyrics with chords of this song is available here: http://thegoodnews4everyone.blogspot.com/2013/06/lord-i-give-you-my-heart-lyrics-song-of.html