MLA in-text citation style uses the author's last name and the page number. If the source doesn't include a page number then only use the last name of the author.
The <em>older violins</em> are more than one object, in this case its cannot be used, only their; <em>each violinist</em> could mean male or female, so it would be possible the use of his or her or their (applied for either),but there is only the latter option. The correct answer is their/their.
<em>The older violins no longer had their original parts, but each violinist played their instrument well.</em>
<span>Clark changed from a gangly, uncomfortable child to A. a happy, successful adult.
As opposed to his aunt who practically raised him, Clark changed positively, whereas her transition was quite negative. She changed from an accomplished musician into a farmlady who would never become satisfied about her life again. On the other hand, Clark's transition from a shy kid to a satisfied man is quite a different story.
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Communication is the only way to get your thoughts out/ talk to someone so if we couldnt di that no buisness would be done and there would be no interavtive things to do.