Bedrich Smetana
Hoagy Carmichel
The animal Beatrix Potter wrote about that shares a first name with a Russian composer is Peter Rabbit and Peter Tchaikovsky.
There is only one composer that wrote Pachebells canon. That composer goes by the name of Johann Pachabell.
Antonio Vivaldi
= Leoš Janáček = I believe the accent is on the LE, and the 's' is pronounced more like 'sh'. LE-osh
Tchaikovsky, I'm not sure of his first name though but I believe it was Peter Tchaikovsky
Dvořák is the correct spelling, with the characters over the r and a. It is from the Czech language. People often just write it without them and is it Dvorak.
Vivaldi wrote the Four Seasons and was also a priest. Must have been him.
It was completed in 1893. He wrote it while he stayed in the US for 3 years. It is the most known composition of him. His whole name was Antonín Leopold Dvořák and he was a Czech.
Czech Jean's birth name is Jeremiah Czech Jean.
Charles Auguste de Beriot wrote the violin concerto 1 opus 16 'Military'.