The duo's many appearances outside Czechoslovakia—filling concert halls in the USSR, USA, Great Britain, Mexico, Norway, Portugal and many other countries[3]—established them internationally.

A salient feature of the duo's repertory was its focus on Iberian composers, whom they favored owing to the national character of the accompanying instrument and the fact that Vladimír had for years studied on a Mexican government scholarship under the tutelage of guitarist Prof. Manuel López Ramos in Mexico City.

Further, writes Cano of a particular concert in 1976, "the harmony of both instruments in creating sound coloration and tones was complemented by technical security, gradual and protruding.

"[7] In 1982 Večtomov accepted an invitation to join the faculty of Keski-Suomen konservatorio (later renamed Jyväskylän ammattikorkeakoulu), in Jyväskylä, Finland, where he continued to teach until 1998.

During his final year Večtomov had been placing finishing touches on an album of Prague String Duo archive recordings due for release in December 2015.