Clefio
More graciously and most graciously.
No graciously is an adverb
Graciously, such as "He accepted the gift graciously."
The term piano means the section of music is more quietly played.
piano
Yes, graciously is an adverb. It means in a gracious, benevolent, or charitable manner.
mezzo piano
A "piano virtuoso" is the correct term.
"Graciously" is an adverb. It describes how an action is performed and often ends in "-ly".
This is difficult to answer because "upright piano" is a standard and well-defined term "Student piano" is not. In 99% of cases, a "student" piano IS an upright piano.
He's called a piano player. A slightly highbrow term would be pianist, and it is a gender neutral term.
The nominee for the Grammy graciously accepted the award given once in a blue moon.