I'm assuming you mean the sound wave itself. In which case the amplitude increases(the height of the peaks and the depth of the valleys increase).
The way that it is played. A guitar is played by vibration of the strings and a trumpet is played by buzzing into the mouthpiece and so they sound different.
USUALLY what happens is that chords buzz when they are in sync together like when you ture the guitar when they are in tune they buzz
the guitar is played with your fingers and its held on your lap.
Johnny Ramone played guitar in The Ramones
Tito played lead guitar. Jermaine played rhythm guitar in the early years, then switched to bass guitar.
Chuck Berry played the electric guitar and he also sang.
Guitar
Loudly is an adverb. Practically every word that is an adjective with LY tacked on is an adverb. Loud would be the adjective form of loudly, if that's what you meant to ask.Adjectives describe nouns (People, places, things, or ideas); The music was loud.Adverbs describe verbs (actions); He played the music loudly.
John Lennon played rhythm guitar and George Harrison played melody.
In the Beatles he played rhythm guitar and George Harrison played lead guitar.
the sonic the hedgehog theme, if played loudly.
Guitar