I just got my Droid earlier this week and today I transferred my music to it. I tried to set one of my songs as a ringtone but when when I was called it never made a song. I have made plenty of tests and when I go to select the song in my ringtones it doesn't even play. However, I found that it does play from that menu when I had recently been using the music app. Is there something I should be doing to make sure I can hear it at all times?