The crossword solution for the term 'Showcase for Pipes' is ARIA. An ARIA is a type of song or musical composition that is typically found in operas, cantatas, and other forms of vocal music. It is usually sung by a solo voice, accompanied by an orchestra or other instrumental ensemble. An ARIA can also be used to showcase a singer's vocal range and skill. In the context of pipes, an ARIA is a piece of music that is performed on a pipe instrument, such as a flute, oboe, or clarinet.