txtDefinition=1) The playing of a {\uldb melody}{\v 86956} upside down, in which each {\uldb interval}{\v 84848} is reversed in direction. At the close of the {\uldb exposition}{\v 81751} in the first {\uldb movement}{\v 151907}, Mozart treats the {\uldb head}{\v 136892} of the {\uldb primary}{\v 93113} {\uldb theme}{\v 99088} (first example) to an inverted response in the {\uldb viola}{\v 105422} (second example).\par 2) The placing of a {\uldb chord}{\v 76801} whereby its root\'97the {\uldb note}{\v 89586} on which it is built\'97is placed in another {\uldb voice}{\v 105907}. Chords in inversion sound less stable than those in {\uldb root position}{\v 165590}.