2023 Mega-Meta: “Back to the Beginning”

Here’s contest puzzle #13. Solve using the Crossword Compiler applet below, download a PDF, or use Across Lite.
The meta is the mega-meta for 2023, two songs from the '70s. Only correct answers including both will earn credit. Separate them with a “/” when submitting. The order doesn’t matter.
Submit your answer to the meta using the form on the home page.

Back to the Beginning by Pete Muller