Hi ladies! First time posting here

So, I have a lot of time to decide still but I pretty much have my heart set on music by the vitamin string quartet...it is from their tribute to twilight, and I'm not a huge twilight buff but I can't help but love the music from the movies!
I'm thinking "flightless bird, american mouth" ( i know, the title is seriously weird) by VSQ for my bridesmaids processional, but can't decide between VSQ's version of claire de lune or "my love" by SIa. You can find them all on youtube, heres the link to claire de lune
http://www.youtube.com/watch?v=TFqpxpzLON4flightless bird, american mouth:
http://youtu.be/7kAu-35UpjQmy love, by sia:
http://www.youtube.com/watch?v=UIhphI_YfQkThanks in advance, music is really important to me so I want to make sure I set the right tone.