How the Grinch Stole Christmas

[ECWtotheXtreme]

Does anyone know what the songs are called and who the 2 songs are by?????????????????? 1 of them is played at the beginning while the Whos in Whoville are putting up christmas decorations and the other song i want is after the Grinch steals the Whos christmas presents and he is on the cliff expecting to hear them crying but instead hears them singing and holding hands in a circle around Whoville's christmas tree.
Does anyone know??????????????????????????