Typical college level player.

Difficulty: Difficult or “advanced.”
Time: All times, mixed times (4 + 3/4 etc) and multiple time changes.
Key: All keys, “wrong key” & “no key” notation with dedicated accidentals.
Tonality: All modes, plus atonality.
Rhythm: All rhythms plus basic or short aleatoric sections.
Range: Full professional range as required by standard orchestral rep.
Tessitura: Central 85% of range.
Clef: Any clef as required by standard orchestral rep.
Dynamics: All or any.
Length: Any.