Complex sentence: Later he attended composition lectures at the Leipzig Conservatory (1901 to 1902), and studied drawing at the Warsaw School of Fine Arts from 1904 to 1906 and became a friend of Polish composer and painter Eugeniusz Morawski-Dąbrowa.
Split into simpler sentences: Later he attended composition lectures at the Leipzig Conservatory from 1901 to 1902. He returned to Warsaw in 1902 and studied drawing at the Warsaw School of Fine Arts from 1904 to 1906 and became a friend of Polish composer and painter Eugeniusz Morawski-Dąbrowa.