I have found the living fountain - Chas. H. Gabriel

Prelude I in C major BWV 846 - Well Tempered Clavier [First Book]

Johann Sebastian Bach (1685 - 1750)

34 bars

G Minor Bach

J.S. Bach

hard66 bars

Beethoven Symphony No. 5 (1st movement) Piano solo

Ludwig van Beethoven

504 bars

notation may differ

Maple Leaf Rag (Scott Joplin)

Scott Joplin

hard85 bars