Bilbo gets drawn into the dwarves' song and was completly enchanted by it.

He was not identified by name. He was sent to look in the area that Bilbo had last been seen in by Gandalf. He was strong and surefooted and carried Bilbo down to the camp.

She' s got the Look

It was written by Larry Evoy of Edward Bear, a Canadian Group. It's just called "Last Song".

In chapter 5 of The Hobbit by J.R.R. Tolkien, Bilbo escapes from the greedy hands of Gollum. When Gollum realizes that chasing Bilbo is futile, he shouts this last line at Bilbo: "Thief, thief, thief! Baggins! We hates it, we hates it, we hates it for ever!," thus calling Bilbo both 'Thief' and 'Baggins.'