"I Don't Know What It Is" is a song written and performed by Canadian-American singer-songwriter Rufus Wainwright. It was the first single from Wainwright's third studio album "Want One" and was released in a slim-line jewel case format on July 26, 2004.
Rufus Wainwright's "I Don't Know What It Is" was released after his second album but before July 27, 2004.
( z1 contrast :ARG1 ( z2 release :ARG1 ( z3 music :name ( z4 name :op "I" :op "Don't" :op "Know" :op "What" :op "Is" ) :ARG1-of ( z5 compose :ARG0 ( z6 person :name ( z7 name :op "Rufus" :op "Wainwright" ) ) ) ) :time ( z8 after :op ( z9 album :ord ( z10 ordinal-entity :value 2 ) :poss z6 ) ) ) :ARG2 ( z11 before :op ( z12 release :ARG1 z3 :time ( z13 date-entity :year 2004 :month 7 :day 27 ) ) ) )