4. The method of claim 1 , further comprising: receiving a selection of at least one aggregate experience category to which the uploaded target audio reference belongs; and linking the selected aggregate experience category to the one or more bids to deliver one or more promotional content items.
8. The method of claim 4 , wherein the selected aggregate experience category is all songs by similar artists, further including identifying the similar artists from the target audio reference and linking the selected similar artists aggregate experience category to delivery of promotional content responsive to recognizing an audio query that matches any audio reference of the similar artists.