Writing:

 'Funny, sad and brilliant' The Stage ****
 'Jessica Walker, liberally sprinkling Polari slang into her libretto, concocted something between a Joe Orton play and a Round the Horne sketch' The Times **** for Disorderly House with Jasper Dommett 2025

'Dommett’s opera packed a great deal into its short time span and largely succeeded because of a masterly libretto by Jessica Walker that simply didn’t stray too far beyond the confines of what it was trying to achieve'. Opera Today, for Fanny and Stella's Last Day Out 2024

'Walker’s poetry is expressive and unfaultable: short-lined, rich in vocabulary and irony'. Church Times, for Voices of Power with Luke Styles 2022

Performing: 
'A pure, bright mezzo-soprano of such melting beauty, I think I could listen to it forever' New York Times

'Her luminous, androgynous appeal' The Stage

‘Walker - a gifted chanteuse' The New Yorker

'The vocalist is mezzo Jessica Walker, a slinky, flame-haired androgyne in tux and boots, looking as if she might have strayed from some Weimar Republic dive' The Guardian

'Superbly sung by the pure-voiced English Mezzo Jess Walker' The Times

'A spell-binding cabaret show at the 59E59 Theaters written by and starring the gifted singer Jessica Walker…Ms Walker's resplendent mezzo-soprano brings a bright lustre to the dozen or so songs in the show' New York Times 
'It's the kind of rarefied experience you only get these days in New York after dark.' New York Observer

Writing and performing Scene Unseen, created with Joseph Atkins:

'The lyrics are fiendishly clever and deftly worked'
'Walker….sings with a spontaneity that perfectly dovetails with Atkins’ composition' The Reviews Hub ****
'Genuinely moving...original, thought-provoking, and funny with a refreshing new slant on gender identity' Musical Theatre Review *****
'exciting and challenging…By the end, [Walker] has led us through her best and worst times, those surprises that are set like landmines to disrupt our lives in tears or celebration' My Theatre Mates
'The performance is perfection'
'Aesthetically pleasing, euphonious and personal' West End Best Friend 
'utterly beautiful…wonderfully written and performed' Page to Stage UK