Hi there, all my mp3s have multiple genre id3-tags. A very nice and comfortable feature of my desktop-player is, to be able search in a very intelligent (boolean) way. For example, i'm having a party at my place and want to choose very quick the appropiate music. I know, there are some people, who like rock music but hate electronic music. What I do with my desktop-player (foobar2000) is: searching for music which is tagged with "party" AND "rock" AND NOT "elektro". In fact, I do have some mp3s which are tagged with all 3 tags "party"; "rock", "elektro" (for example "let forever be"