third mass
... that Franz Schubert's third mass in B flat major is by its short duration a missa brevis, but by its large orchestral force of brass, woodwinds, and timpani a missa solemnis?
... that Franz Schubert's <b id="mwD-g"><a href="./Mass_No._3_(Schubert)" id="mwD-k" rel="mw:WikiLink" title="Mass No. 3 (Schubert)">third mass</a></b> in <a class="mw-redirect" href="./B_flat_major" id="mwD-o" rel="mw:WikiLink" title="B flat major">B flat major</a> is by its short duration a <i id="mwD-s"><a href="./Missa_brevis" id="mwD-w" rel="mw:WikiLink" title="Missa brevis">missa brevis</a></i>, but by its large orchestral force of <a href="./Brass_instrument" id="mwD-0" rel="mw:WikiLink" title="Brass instrument">brass</a>, <a href="./Woodwind_instrument" id="mwD-4" rel="mw:WikiLink" title="Woodwind instrument">woodwinds</a>, and <a href="./Timpani" id="mwD-8" rel="mw:WikiLink" title="Timpani">timpani</a> a <i id="mwD_A"><a href="./Missa_solemnis" id="mwD_E" rel="mw:WikiLink" title="Missa solemnis">missa solemnis</a></i>?