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“Gruber leaves no base uncovered: The songwriting, singing and musicianship are all strong, along with a dash of personality that is both whimsical and vulnerable.”

Aaron Nathans, Capital Times

Yesterday is Make Believe is an enjoyable collection of songs that highlight Gruber’s best talents…
The tracks run the gamut from easy swinging folk with R& B leanings, to pop songs in a band setting, to finger-style acoustic instrumentals. The emphasis is squarely on the acoustic guitar and Gruber’s rich baritone which places  him in the company of Greg Brown and Willy Porter…”

Rick’s Café