This document provides information about the NCEA Level 1 Music Theory External Achievement Standard. It outlines the requirements to achieve at the Achievement, Merit, and Excellence levels. These levels involve demonstrating knowledge of conventions used in music scores, such as key signatures, time signatures, notation of pitch and rhythm, and performance directions. The document also provides details on the various musical elements that can be assessed, including scales, intervals, chords, cadences, transposition, and instrumentation. It limits the scope to keys with up to 3 sharps/flats, specific time signatures, and scores of 16 parts or less.