Because Count Kaiserling suffered from insomnia, he ordered  his secretary to keep him entertained with music during the night.  The secretary asked his old music teacher for help, and the teacher  provided him with something that he called "Keyboard practice with  an aria and variations for the harpsichord with two manuals." FTP,  name this set of thirty-two variations that is now named after the  secretary, one of the most famous works of J.S. 
Because Count Kaiserling suffered from insomnia, he ordered  his secretary to keep him entertained with music during the night.  The secretary asked his old music teacher for help, and the teacher  provided him with something that he called "Keyboard practice with  an aria and variations for the harpsichord with two manuals." FTP,  name this set of thirty-two variations that is now named after the  secretary, one of the most famous works of J.S. Bach.
Because Count Kaiserling suffered from insomnia, he ordered  his secretary to keep him entertained with music during the night.  