Answer: If the interval between two notes of a major interval (1 and 3) are decreased, then the interval becomes a minor interval (Flatten the 3rd of a major interval).
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They are "oh where have you been billy boy?" "billy boy" "oh where have you been charming billy?"
There were actually several building techniques that were introduced by the Romans, but perhaps the most important was the bridge building technique that allowed bridges to be built without supports.
