Add LEDs to Vintage Radio?

Hi all. I am trying to figure out how to add a few amber color LEDs to a 1953 Zenith K622 radio. One to light the tuner, one for the clock and one behind the center grill. I've gone down some rabbit holes. At this point, I would tap the original 110vpower and connect an 110v AC to 9v DC step down power converter then, from that, parallel wire three LEDs after three resistors. Does this sound right???

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