How can you sync your zune to a new computer downloading songs from Zune to new computer In other words a 'reverse' sync?

u click device(on the top 1st row) while on zune computer program then click music (on the second row) then select ur songs selectively or click on one and press and hold CTRL then press A to select all. after highlighting song/songs either right click and choose copy to my collection or drag them to the computer symbol on the bottom left corner.