The word play can be a noun or a verb. There is the related adjective "playful" which has the adverb form "playfully."
The participles of the verb to play (playing and played) can also be used as adjectives, but do not form adverbs.
adverb
The adverb is often because it describes when/how they play music.
playfully
No, players is a plural noun. An adverb form of the verb or noun play is playfully.
The adverb is 'later' because it describes when you might be now to play outside.
as in play "quietly", yes.
No, the word 'play' is a noun (play, plays) and a verb (play, plays, playing, played).An adverb is a word that modifies a verb, an adjective, or another adverb.Examples:I have tickets to the new play. (noun)I sent the children to play while I make lunch. (verb)The children are playing quietly with Legos. (the adverb 'quietly' modifies the verb 'playing')
No, the word 'play' is a noun (play, plays) and a verb (play, plays, playing, played).An adverb is a word that modifies a verb, an adjective, or another adverb.Examples:I have tickets to the new play. (noun)I sent the children to play while I make lunch. (verb)The children are playing quietly with Legos. (the adverb 'quietly' modifies the verb 'playing')
Yes, it is an adverb, the adverb form of the adjective musical.
It is proper grammar to say "one must play aggressively" because "aggressively" is the adverb form of the adjective "aggressive" which modifies the verb "play."
Snowflakes twirled down like confetti from winter's parade.
No. The word nicer is a comparative form of the adjective nice. The adverb is nicely and the comparative would be "more nicely." (*The term "play nice" is just a colloquial form; play nicely is correct.)