There are more than one artist using this name.
1) Machu Picchu is an indie-rock band that started in Vancouver Canada but has recently relocated to Brooklyn. You can find free Machu Picchu downloads @ http://machupicchumusic.bandcamp.com
Contact the band @ Machupicchumusic@gmail.com // http://www.myspace.com/machupicchumusic
2) Machu Picchu is the electronic IDM project of Providence, Rhode Island native, Sina Sohrab.
3) Machu Picchu is a musical group playing traditional native Peruvian music.