While doing this God sent the Holy Ghost and filled all of them, manifesting himself in supernatural ways.
Praise can be in the form of singing or otherwise.
You praise the Lord. To be worthy to escape the snares of the world and the things that will happen during the great tribulation and be accounted worthy to stand before the Son of Man. Healing and for one another. Pray one for another, that you may be healed. See also verses 13-14.