I think that part of his meaning "Think in terms of waves and 3s, 6s and 9s" also refers to the fact that all manifests from vibration and if we use the old way of tuning tones (C, D, E, F, G, A, B, C) where an A in fourth octave is tuned to 432 for example, what ever tone you choose in what ever octave it all adds up to 9 if you add each single number to the next. 4 + 3 + 2 = 9, this magically fits very well with Einsteins and Nils Bohrs observation of the double slit experiment where the conclusion is that everything is waves until point of conscious interaction where the wave breaks down into a particle. Its more or less a hint towards that the Mayans were right saying this is Maya (The divine illusion).
In hindu texts that originates in the sanskrit language (one of the oldest known languages still in existence) there is a saying: When Shiva opens his eyes a world comes into being, when Shiva closes his eyes a world goes out of being (basically describing Einsteins and Bohrs conclusion). Essentially making the most real thing in the universe... YOU, since it is YOUR interaction with this vibratory field that manifests reality.
If that is true, and everything external of self is part of the illusion it is kind of pointing towards that we are all "The singularity" that came before "The big bang"... the scientific term for GOD.