The phrase "alternative voice on" is not correct and lacks clarity in written English.
It may be intended to refer to a different perspective or opinion on a subject, but it needs additional context to be meaningful.
Example: "In her article, she provides an alternative voice on the issue of climate change, challenging mainstream narratives."
Alternatives: "different perspective on" or "alternative viewpoint regarding".
You might think that this oppressive brand of neoliberalism had created a unique chance for an alternative voice on the left.
The promotion of Vadera, who advised Brown closely on the recent rescue packages for failing British banks, will be seen as offering him an alternative voice on economic policy from the Treasury.
Haley has emerged as a frequent and pointed alternative voice on U.S. foreign policy, beginning with Senate confirmation hearings in which she parted ways with past Trump statements on Russia, the value of the NATO alliance and any ban on Muslim immigration.
Mr Brand, a comedian and actor, has become a high-profile, alternative voice on the political scene, campaigning against inequality, benefit cuts and corporate tax avoidance, and speaking up on behalf of the rights of housing tenants.
In the past several years, the emergence of pro-peace American Jewish organizations has provided an alternative voice on critical Middle East issues.
The reason I wanted to give this interview is that I'm angry there are no alternative voices on immigration.
Comcast will also have an incentive to promote NBC shows over local or independent programming, making it even harder to find alternative voices on the cable menu.
Twitter offers an alternative voice to the influence of American right-wing Christians on the drafting of anti-gay bills on the continent.
Alternative Voices for Electronic Sound.
The international community was taken aback by the breadth and depth of the Communist Party's Spring 2011 crackdown on any "alternative voice" -- i.e., not directly under the control of the government.
"Having some kind of alternative voice might control judicial appointments, attacks on the environment, civil liberties and the deficit".
