Original sentence: Subsequently, he was soloing with "Narek" Male Choir from 1989 to 1994 and in 1993-1994 at the State Academic Cappella of Armenia and "Haysmavourk" Medieval Choir
Edited sentence: Subsequently, he was soloing with "Narek" Male Choir from 1989 to 1994 and in 1993–1994 at the State Academic Cappella of Armenia and "Haysmavourk" Medieval Choir