Translate to Russian:

I make music quite fast, but I'm slow writing the lyrics.

Russian:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Музыку-то я пишу довольно быстро, а вот лирика вызывает некоторые затруднения.