There is more than one artist with this name: 1) iD is an experimental hip hop artist from the U.S., also known as "iD the Poet" or I.D. his album Raincheck was released in 2010. He is currently working on a 4 volume series of instrumental albums and can be heard and downloaded for free at http://www.iDthePoet.com
2) Id is also the name of an American psych/prog rock band.
3) id is a thrash metal band from Brazil.
4) D, tu identificación, con quién TU te identificas.