Get a list of of people who produced OR engineered an album, but did not perform on any track. (Hint: set operations are very helpful) List names of musicians who have contributed in at least two different roles on the same tracks with ratings 4 or higher. (Hint: self-join)
Get a list of of people who produced OR engineered an album, but did not perform on any track. (Hint: set operations are very helpful) List names of musicians who have contributed in at least two different roles on the same tracks with ratings 4 or higher. (Hint: self-join)
mid1f13.docx