The Letters are:
? > < N < > ? > > ? > ? > < N < > ? < M
? > < N < > ? > > ? > ? < ? > ? ?Y Y U Y T R E E R T T R E R E W N < B
Y Y U Y T R E E R T T R E R E W K N B
? > < N < > ? > > ? > ? < ? > ? ?
Program to Play: Sweet Little Piano
You can play Virtual Piano on PC easily with video clips and letters.