Final answer:
Beethoven's Nightmare is a deaf rock band that originated in Los Angeles, California in 1971, not at a fish market in Odessa. The band was formed by students from Gallaudet University and integrates sign language into their rock performances.
Step-by-step explanation:
The band Beethoven's Nightmare did not originate in Odessa at a fish market; the information provided appears to be about a different event involving a performance by the Odessa Philharmonic Orchestra and Opera Chorus in March 2014. Beethoven's Nightmare is actually a rock band formed by deaf musicians in Los Angeles, California, in 1971. The founding members met at Gallaudet University, a university for the deaf and hard of hearing, and decided to create a band that would cater to deaf audiences by integrating sign language into their performances and focusing on the visual and vibrational elements of music. Beethoven's Nightmare is often regarded as the first deaf rock band and has paved the way for greater accessibility and inclusion in the entertainment industry.