Assertion: oboe's key | /r/HasProperty | released
Facets:
Source sentences:
text: This produces alternate options which eliminate the necessity for most of the common cross-intervals (intervals where two or more keys need to be released and pressed down simultaneously), but cross intervals are much more difficult to execute in such a way that the sound remains clear and continuous throughout the frequency change (a quality also called legato and often called-for in the oboe repertoire).