Original sentence: His voice has been described by some as "capable of turning from aching tenderness to the high dudgeon of political rage within the space of a line, or, on occasion, even in the turn of a single word"
Edited sentence: He has a powerfully expressive voice, which has been described as "capable of turning from aching tenderness to the high dudgeon of political rage within the space of a line, or, on occasion, even in the turn of a single word"