A person who plays an instrument while another performs is often referred to as an accompanist. Their role is to provide musical support, enhancing the performance of the vocalist or soloist by adding harmony and rhythm. Accompanists must be skilled in reading music and improvisation to effectively complement the lead performer. This partnership creates a richer and more dynamic musical experience for the audience.
Depends on the instrument... but a woodwind
Musician
A bassoon is a musical instrument in the woodwind family, possessing a double reed and playing in the tenor and bass ranges.
A keyboardist, a person who plays Piano is a Pianist.
An Electric Bass is an amplified four-stringed instrument which produces low sounds. A lot of the time, the instrument will be a back-up to a more 'major' instrument in the song such as the Electric Guitar.
composer
Depends on the instrument... but a woodwind
Musician
Yes
It is possible to make a band with two people, it will be difficult unless you sing and play an instrument and the other person plays another instrument.
A bassoon is a musical instrument in the woodwind family, possessing a double reed and playing in the tenor and bass ranges.
Someone who plays drums or another percussion instrument.
A person who goes around and plays a instrument or sings.
An altoist is a person who plays an alto instrument, such as an alto saxophone.
A keyboardist, a person who plays Piano is a Pianist.
That is called a recital.
Because Within the orchestra the piano usually supports the harmony, but it has another role as a solo instrument (an instrument that plays by itself), playing both melody and harmony.