Complex sentence: The same program was repeated in Moscow during the same concert season; in both cases, the composer conducted, with tenor Fyodor Nikolsky and mezzo-soprano Aleksandra Krutikova as soloists.
Split into simpler sentences: The same program was repeated in Moscow during the same concert season. In both cases, the composer conducted, with tenor Fyodor Nikolsky and mezzo-soprano Aleksandra Krutikova as soloists.