Yuri Sergeyevich Entin is a Russian and Soviet poet, playwright and lyricist who wrote screenplays and songs for various children's films including The Bremen Town Musicians (1969) and two sequels and Blue Puppy (1976), among others. He also wrote music with Bulat Okudzhava for the 1975 film The Adventures of Buratino.

David Fyodorovich Tukhmanov PAR is a Soviet and Russian composer. People's Artist of Russia (2000), State Prize of Russian Federation.