American innovations in the arts music appreciation at age 15, george gershwin took a job cutting piano rolls for a publishing company. which of the following would be  most useful  for that kind of work?                 a.  flexibility      b.  accuracy      c.  speed      d.  creative improvisation

B. Accuracy would be most useful for that kind of work, because the doer of such an activity has to perfectly unit the cut piano rolls so that the work would have a clear, sterling sound. His first job, which is "song plugger" brought him quite a nice amount of money, especially for 15 year old former student.