I do a lot of gigs like this . Because there 's nobody else to compare myself to , I never really know how I measure up . What is my contribution as a consultant or guest artist worth ?

Question: What might I be doing when I do a gig ?
Answer: I am defining the difference between an artist and a consultant .Being paid to perform music in front of an audience .I am adding up the contributions made by the consultant .I am measuring the distance between the gig and the artist .