Arlen SPECTER was a former United States Senator from Pennsylvania who served from 1981 to 2011. He was a member of the Republican Party until 2009 when he switched to the Democratic Party. Harold Arlen was an American composer of popular music who wrote over 500 songs, including the classic song 'Over the Rainbow'. STORMY Arlen is an American singer-songwriter and multi-instrumentalist who has released several albums and singles.