"sharp commentary" is a perfectly correct and usable phrase in written English.
It is typically used to describe an observation or opinion which is offered in a clever, critical or powerful way. For example, "The blogger offered a sharp commentary on the latest political scandal."
Besides the criticism, there has also been sharp commentary about the campaign.
This provoked a sharp commentary from Abbas Galyamov, a top official in the Republic of Bashkortostan.
Even before the formal announcement, his expected nomination has stirred sharp commentary from critics and supporters.
As the story unfolds, it becomes a sharp commentary on politics, economics, oppression and the arms race.
The artist's combination of a broad-brush approach and sharp commentary is reminiscent of Mr. Hughes's own literary style.
I read them both this morning, and, just for the record, they were both full of lively reporting, timely reviews, sharp commentary, arresting photography, and interesting graphics.
A fluent writer too, Wigglesworth has produced a series of sharp commentaries (see his website) on the composer.
Canadian author Naomi Klein is so well known for her blade-sharp commentary that it's easy to forget that she is, above all, a first-rate reporter.
On Sept. 18, the anniversary of Japan's invasion of China's northeastern provinces in 1931, Han Han wrote a razor-sharp commentary on the protests against Japan that are taking place in China.
This lack of sharper commentary makes the difference between an extraordinary work of art, which "America LoveSexDeath" is not, and the impressive, entertaining work that it is, especially for anyone who admires the act of performance in itself.
Granted, there were spots where Loury provided some razor-sharp commentary on racism.
