Music recommendation system using a personalized choice set

1. A computer-implemented method comprising:

forming, using a choice set module, one or more choice sets of recommendable items, including forming for a first user at least one personalized choice set of recommendable items based in part on first data associated with the first user, wherein the recommendable items are divided into classification groups and the first data includes the first user's classification group preferences, and forming the at least one personalized choice set of recommendable items is based on the first user's classification group preferences; and

forming, using a recommendation set module, a recommendation set of recommendable items, including selecting one or more of the recommendable items included in the one or more choice sets of recommendable items, where forming the recommendation set is based in part on second data associated with the first user, the second data not used in forming the personalized choice set.

2. The method of claim 1 , further comprising:

presenting, using a presentation module, the recommendation set of recommendable items to the first user.

3. The method of claim 1 , wherein the first data includes a user activity history associated with the first user.

4. The method of claim 1 , wherein the second data includes preference data for the first user.

5. The method of claim 4 , wherein the preference data is derived at least in part from a user activity history associated with the first user.

6. The method of claim 1 , wherein:

forming the recommendation set includes applying configurable criteria not specific to the first user, the configurable criteria also not used in forming a choice set.

7. The method of claim 1 , wherein each of at least some of the recommendable items is associated with a corresponding creative party.

8. The method of claim 1 , wherein the recommendable items comprise media items and/or aggregations of media items.

9. The method of claim 8 , wherein media items comprise audio items.

10. The method of claim 9 , wherein each of at least some of the audio items is associated with a corresponding creative party, the creative parties including an artist of an item.

11. The method of claim 10 , wherein:

forming the personalized choice set includes selecting items associated with creative parties represented by items in a user history associated with the first user.

12. The method of claim 10 , wherein:

forming the personalized choice set includes selecting items associated with creative parties similar to creative parties represented by items in a user history associated with the first user.

13. The method of claim 1 , wherein the recommendable items are associated with attributes.

14. The method of claim 13 , wherein one or more choice sets of recommendable items is restricted to items sharing at least one common attribute.

15. The method of claim 13 , wherein:

the second data about the first user includes recommendable item attribute preferences; and

the recommending one or more recommendable items from the one or more personalized sets to the first user is based in part on the first user's recommendable item attribute preferences.

16. The method of claim 15 , wherein:

the second data includes recommendable item attribute preferences of one or more additional users; and

the recommending one or more recommendable items from the one or more choice sets to the first user is based in part on the recommendable item attribute preferences of one or more additional users.

17. A computer-implemented method comprising:

forming, using a choice set module, one or more choice sets of recommendable items, including forming for a first user at least one personalized choice set of recommendable items using a first method of a first methodology, the first method being adapted to the first user, wherein the recommendable items are divided into classification groups and the first method is adapted to the first user according to the first user's classification group preferences; and

forming, using a recommendation set module, a recommendation set of recommendable items, including selecting one or more of the recommendable items included in the one or more choice sets of recommendable items using a second method different than the first method, the second method being adapted to the first user.

18. The method of 17 , wherein the second method is of a second methodology different from the first methodology.

19. The method of claim 17 , further comprising:

presenting, using a presentation module, the recommendation set of recommendable items to the first user.

20. The method of claim 17 , wherein the first methodology comprises an item correlation based methodology.

21. The method of claim 17 , wherein the second methodology comprises a user profile based methodology.

22. The method of claim 17 , wherein the recommendable items comprise media items and/or aggregations of media items.

23. The method of claim 22 , wherein the media items comprise audio items.

24. Software stored on a computer readable media comprising instructions for causing a computer system to:

form one or more choice sets of recommendable items, including forming for a first user at least one personalized choice set of recommendable items based in part on first data associated with the first user, wherein the recommendable items are divided into classification groups and the first data includes the first user's classification group preferences, and forming the at least one personalized choice set of recommendable items is based on the first user's classification group preferences; and

form a recommendation set of recommendable items, including selecting one or more of the recommendable items included in the one or more choice sets of recommendable items, where forming the recommendation set is based in part on second data associated with the first user, the second data not used in forming a personalized choice set.