Music theory deals with the harmonic series, which studies the motion of sound waves [1]. Sound waves are physical, and are affected by the matter and density of the particles they are traveling in. To understand it deeply, you need to get into the behavior of solids and gases, which is chemistry, something useful to baking.

Similarly from Mandarin to Quantum Mechanics you can take Mandarin -> linguistics -> Probability Theory[2] -> Quantum Probability -> Quantum Mechanics

1. https://en.wikipedia.org/wiki/Harmonic_series_(music) 2. https://www.pnas.org/doi/full/10.1073/pnas.1100760108