Pärt (p?rt), Arvo Born 1935. Estonian-born composer whose works draw on modern styles such as serialism and minimalism but also reflect his interest in Eastern Orthodox and Roman Catholic liturgy.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.