Во втором куплете солист поёт короткое соло, а потом поёт весь ансамбль.

In the second verse, the soloist sings a short solo, and then the whole ensemble sings.

Breakdown of Во втором куплете солист поёт короткое соло, а потом поёт весь ансамбль.

• петь: to sing
• а: and
• короткий: short
• второй: second

Questions & Answers about Во втором куплете солист поёт короткое соло, а потом поёт весь ансамбль.

Why is it во втором, not в втором?

Russian sometimes uses во instead of в to make pronunciation easier.
Here, в втором would be awkward because of the consonant cluster at the beginning, so Russian prefers:

• во втором куплете

This is a very common pattern:

• во вторник
• во Франции
• во время

So the extra о is mainly for ease of pronunciation, not a change in meaning.

Why is втором куплете in that form?

Because after в / во meaning in or during, Russian often uses the prepositional case when talking about location or position.

So:

• второй куплет = the second verse (dictionary form)
• во втором куплете = in the second verse

Both words change because второй is an adjective modifying куплет, and adjectives must agree with the noun in case, gender, and number.

Here both are:

• prepositional
• masculine
• singular

So:

• второй → втором
• куплет → куплете