loading songs into defferent genre

[stuartsmith]

Hi. This is the FIRST time I have ever been on a forum so am feeling vulnerable. I have an 8GB sansa clip mp3 player. I have added around 1000 pop and rock songs to the "hard Drive" and after purchasing a micro sd card I added around 1000 jazz titles to that. My problem is that without the sd card the player plays random selection great but if I choose the 'recently added' ie the sd card the tracks are played in sequence and after switching off and start again it plays in the same sequence from track one again. I will have to listen for days to hear all of the jazz tracks. What i want to do is delete everything and add pop and rock to a pop genre and jazz to a jazz genre and then hopefully it will play both genres in random mode when that genre is chosen. Problem is I dont know how to load tracks into different genres. PLEASE help someone.
Stuart