Eri Klas has been played on NTS shows including Tommasi, with Piano Concerto No. 3 ('Gift Of Dreams') first played on 6 October 2024.

Eri Klas (born 7 June 1939 in Tallinn, died 26 February 2016 in Tallinn) was an Jewish-Estonian conductor and singer.

Klas was introduced to music by his mother, who was a well-known pianist. He graduated Tallinna Muusikakool in 1959 and studied under Estonian composer and conductor Gustav Ernesaks at the Tallinn Conservatory. He continued his studies at the Leningrad Conservatory as a student of Nikolai Rabinovich and at the Bolshoi Theatre in Moscow under Boris Hajkin. On from 1965, Klas worked at the Estonia Concert Hall and Opera as a conductor and director. He became chairman of its supervisory board in 2004. During his career, Klas worked with orchestras from Iceland to Australia and Japan to the United States, including the philharmonic orchestras of Berlin and Munich, the symphony orchestras of the Opéra in Paris and the BBC in London, and famous American orchestras like the Chicago Symphony Orchestra, The Cleveland Orchestra and the Boston Symphony Orchestra. Klas premiered Alfred Schnittke's 1st Cello Concerto (Munich Philharmonic Orchestra, 1986) and Peer Gynt ballet (Hamburg State Opera Orchestra, 1989), and worked on the diffusion of the Estonian symphonic repertory. He was also active as a pedagogue, holding professorships at the Sibelius Academy (1993–97) and the Estonian Academy of Music and Theatre (1997–2016), where he received an honorary doctorate.

He was decorated the Order of the Lion of Finland in 1992 and the Order of the White Star of Estonia, and was a UNICEF Goodwill Ambassador. In 1986 he was named People's Artist of the USSR. A former Estonian lightweight junior boxing champion, he was also a member of the Estonian Olympic Committee.