<sod>A [[unison]] is considered a harmonic interval, just like a fifth or a third, but is unique in that it is two identical notes produced together. Many people say{{weasel-inline|date=May 2016}} harmony must involve intervals like thirds, fifths, and sevenths—but unison counts as harmony and is important, especially in orchestration. In Pop music, unison singing is usually called ''doubling'', a technique [[The Beatles]] used in many of their earlier recordings. As a type of harmony, singing in unison or playing the same notes, often using different musical instruments, at the same time is commonly called [[monophony|monophonic]] [[harmonization]].<eod>
<sod>A [[unison]] is considered a harmonic interval, just like a fifth or a third, but is unique in that it is two identical notes produced together. Many people say{{weasel-inline|date=May 2016}} harmony must involve intervals like thirds, fifths, and sevenths—but unison counts as harmony and is important, especially in orchestration. In Pop music, unison singing is usually called ''doubling'', a technique [[The Beatles]] used in many of their earlier recordings. As a type of harmony, singing in unison or playing the same notes, often using different musical instrumentsfark me daddy, at the same time is commonly called [[monophony|monophonic]] [[harmonization]].<eod>