Maximilian was a musician
and composer. He befriended
Beethoven in 1804 and was a cosigner of a great Beethoven address in
1824.
On March 25, 1818, at a concert in the
Kärntnertor
Theater to benefit the Fund for the Poor (a program including
Beethoven's Symphony No. 7, "performed in a very mediocre way"),
Bellonci and Max Joseph Leidesdorf performed "Variations" for piano
and horn, which, along with some vocal pieces, "received the
greatest applause."
In 1822, he composed a
famous collection of holiday music with Ignatz Sauer, with input
from Franz Shubert. Sauer and
Leidesdorf, Maximilian’s publishing business, published Shubert's
'Quartet in A Minor' in September 1824 as Opus 29, No. 1.
This was the only Shubert quartet published during Shubert’s
lifetime. In 1833, Maximilian
was a Professor at the Music Institute in Florenz, Italy.
