this is a special version i played on my macbook pro, but the melody is not exactly the same... i haven't hear original the music for years, until now on youtube. If you want to learn this version, here are the keys (on an european mac keyboard) :
qmglqgkmqyqyklmqhmlqhklmxghwffhkffhdgkdkddgsfgdhfytgjxfgxfgw w... (°u°) (less info)