 " <unk> " was one of the first tracks developed for Confessions on a Dance <unk> , along with " <unk> Up " and " Future Lovers " . It was also the one which took the most time to finish because Madonna " thought it was too melodramatic and could never decide when it was right . " The songs were developed with a remixed perspective in mind . Madonna commented that , " Whenever I make records , I often like the remixes better than the original ones . [ ... ] So I thought , screw that . I 'm going to start from that perspective " . She promoted the album at the dance party " <unk> " held at Luke & <unk> 's nightclub in Greenwich Village , invited by Junior <unk> to take over the DJ booth where she mixed " <unk> Up " with " <unk> " . Musically , " <unk> " is an uptempo dance song containing layers of beats and strong vocal on the chorus . It is set in common time with a moderately fast dance groove tempo of 132 beats per minute . <unk> in the key of C minor , Madonna 's vocal range spans from <unk> to <unk> . It follows the chord progression of E ♭ – <unk> – A ♭ – B ♭ during the spoken introduction . It then changes to <unk> – <unk> @-@ <unk> in the chorus , while continuing in A ♭ – <unk> – A ♭ – <unk> in the intermediate verses , ultimately ending in repeated lines of " I 've heard it all before " . 
