Sprint RAZR V3M max songs?

What is the maximum number of song I can put on my MicroSD to listen to on my Sprint RAZR V3M?
Answer #1
i have a 1gb microsd. is there any way i can higher the amount of maximum songs on my RAZR v3M?
Answer #2
get another card, or get lower quality songs
Answer #3
lower quality of songs? does that really work?