In my Jesus-Centered Passover Script, there are a couple of opportunities to play and sing traditional Passover Seder songs. Here are 4 links to 2 of the traditional songs for easy finding.
4 Questions/Ma Nishtana
4 Questions/Ma Nishtana (with handmotions & English subtitles)
Dayenu
Dayenu (with English subtitles)
BABIES IN THE WORD 