Composers aged 13 to 21 are invited to set the text of the poem “A Jelly-Fish” by Marianne Moore to music for The Swingles. Judges include The Swingles’ Jo Goldsmith-Eteson and Jon Smith, baritone Christopher Herbert, and composer Christopher Tin, will select a winning composition, which will be recorded by The Swingles and released on June 21 for Make Music Day.