O Abu Muhammad, and what if he does not have a good voice?
It is not necessary for the one who makes istikhaarah that he see anything to guide him to that which is best for him. Rather, when something is made easy for him after having made istikhaarah, then he should know that is what is good [for him].
It is upon the intelligent one to exert himself in performing voluntary acts of worship – so long as he is in a state of [good] health.
«…and if they knew what there is [of reward] in the ‘Ishaa and Fajr prayer, they would come to them even if they had to crawl»