Johann Sebastian Bach (31 March [O.S. 21 March] 1685 - 28 July 1750) was a German composer and musician of the late Baroque period. Performed by Gevorg Gasparyan
Mr Gevorg, this is not a toccata and fugue, but re-arranged for accordion prelude from prelude and fugue in c-moll from the first bach's well tempered klavier book, which originally was written for klavier. And, btw, that interlude part at 1:10 must be played close to two times faster than the first part.