On May 22, 2007 Luxembourg issued a set of three "Cultural Centers" stamps. The .50 euro low value (Sc #1217) of the set publicizes The Rockhal, a concert hall in Esch-sur-Alzette in southern Luxembourg, and depicts an electric guitar. The red guitar pick shown on the stamp is very likely the logo of The Rockhal.
Costa Rica Costa Rican Composers May 31, 2018 Guadalupe Urbina (b. 1959) is a Costa Rican singer-songwriter and composer. She is a folk musician whose musical compositions reflect the oral tradition of her birthplace of Guanacaste, Costa Rica.
Paraguay Living Treasure of Humanity August 22, 2017 The stamp depicts Quemil Yambay (1938 - ), a renowned guitar musician and composer. His Los Alfonsinos Group performs nearly 200 concerts per year and recorded more than 30 albums.