Original sentence: " The example of Johh Shand performing Mairi's Wedding follows the pattern ABABB, giving a pattern of 40 bars.Each part (A and B) typically has eight bars, which in turn are divisible into four-bar and two-bar phrases, as in a scheme of question-answer, where the first phrase is the "question" and the second is the "answer
Edited sentence: Each part (A and B) typically has eight bars (an exception is the "auld reel" of the Shetlands which tends to irregular structure and may have been influenced by the Norwegian halling), which in turn are divisible into four-bar and two-bar phrases.The example of Johh Shand performing Mairi's Wedding follows the pattern ABABB, giving a pattern of 40 bars