Tayda kit without sound

This is the 1st time I build a kit from Tayda rather than using veroboard or assembling a mash up of components.

I followed the steps describe in https://www.taydakits.com/instructions/treble-booster-brian-may/pages/designators-and-components--13 and https://www.taydakits.com/instructions/treble-booster-brian-may/pages/enclosure-and-wiring--10 , but even with the pedal off, there is no sound. The only thing that works is the led. The photo was taken before installing the transistor into the socket.

Do I need to add a jumper for the battery wires? I followed the exact steps, except for adding a resistor for the led to avoid burning it and adding a switch to turn on/off extra capacitors as I did with a previous build that was a "salad" of components.

Resistors

R1 120k 120k OHM 1/4W 1% METAL FILM RESISTOR

R2 100k 100K OHM 1/4W 1% METAL FILM RESISTOR

R3 1k 1K OHM 1/4W 1% METAL FILM RESISTOR

R4 22k 22K OHM 1/4W 1% METAL FILM RESISTOR

R5 2.4k 2.4K OHM 1/4W 1% METAL FILM RESISTOR

R6 6.8k 6.8K OHM 1/4W 1% METAL FILM RESISTOR

R7 100 100 OHM 1/4W 1% METAL FILM RESISTOR​

R8 Jumper

Capacitors

C1 4.7n 4.7NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR

C2 1n 1NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR

C3 47n 47NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR

C4 47u 47UF 25V ELECTROLYTIC CAPACITOR 5X11MM

Transistor

Q1 2N5088 2N5088 GENERAL PURPOSE TRANSISTOR

Potentiometer

VOL 100k-A 100K OHM LOGARITHMIC POTENTIOMETER

https://preview.redd.it/9cen51j8m9ee1.png?width=800&format=png&auto=webp&s=48e64f4936d2e367717afcebba73f2a7f139f358

https://preview.redd.it/l44aozeam9ee1.png?width=800&format=png&auto=webp&s=e02ebe72b7683b0af95d11cf9753c23edb051f58

https://preview.redd.it/6kd92mdbm9ee1.png?width=1536&format=png&auto=webp&s=8ba1609a7162bd4a986bd2bdcb485415a95c8359