Complex sentence: Arturo Somohano (September 1,1910--March 23,1977) born in San Juan, Puerto Rico, was a composer and the director of the San Juan Symphony Orchestra, which is now named after him.
Split into simpler sentences: Arturo Somohano (September 1,1910--March 23,1977) born in San Juan, Puerto Rico,-composer. Somohano was the director of the San Juan Symphony Orchestra which is now named after him.