Disgaea 1 is home to some of the most lovable characters known to the rpg genre. It had great music, great voice acters and had one of the best battle systems i have ever come across in an rpg. It had a huge amount of strategy and alot of awesome looking attacks. Overall i highly recommend this game for all rpg fans. This is one of the best rpgs of all time and no one should miss out on this masterpiece. Also here is some of the many awesome songs in Disgaea 1
This one is called Underworld
http://www.youtube.com/watch?v=g6CuN9ZnVfs
And this one is called Mourning Angel
http://www.youtube.com/watch?v=8YqYlkdFmC8