Who are the "big three" composers of the classical period?

Albrecht durer, henri de toulouse-lautrec, and andy warhol used different techniques and process to get different effects in their prints. which print was made using lithography?

The first c.d. was released after the phonograph. 75 years 200 years 100 years 50 years

What does bts stand for? what is the importance of bts? who first started it?