A concert hall is a large building or space used for musical performances. The crossword solutions for the term 'concert hall' include AMP (3 letters), ODEUM (5 letters), ENCORE (6 letters), ODEON (5 letters), and AUDITORIUM (10 letters). An amp is an abbreviation for amplifier, which is an electronic device used to increase the volume of sound. An odeum is an ancient Greek or Roman building used for musical performances. ENCORE is a French word meaning 'AGAIN' and is used to indicate an ENCORE performance at the end of a show. An ODEON is a type of theater or concert hall in ancient Greece. An AUDITORIUM is a large room or hall designed for public performances.