The crossword solutions for the term COMPOSER OF RULE BRITANNIA are ARNE (4 letters), AZURE (5 letters), ODE (3 letters), and THOMSON (7 letters). Thomas Arne was an English composer of the 18th century who is best known for his patriotic song Rule Britannia. He wrote the words and music for the song, which was first performed in 1740. AZURE is a light blue color, which is often associated with the sky or sea. An ODE is a type of poem that expresses strong emotion, usually in praise of something. James Thomson was a Scottish poet and playwright who wrote the lyrics for Rule Britannia.