The difficulties are different for each person. It depends on their ability but usually the difficulties are related to posture, failure to breathe the proper way for singing and not doing proper vocal exercises which leads to straining.
food difficulties,shelter difficulties etc
You should say "come out from difficulties" instead of saying "come out of difficulties."
It is more proper to say "come out from difficulties" compared to saying "come out of difficulties."
there is no difficulties and no success
If you understand them there are no difficulties.
financial difficulties
what was jacques marquettes difficulties
Parallelism ~ Apex ~
Good singing , or singing nicely
solo singing is singing by yourself
The colony on Hispaniola had difficulties because
real difficulties exist,but these do not reach them.