(1) For example here: "Doo doo zib, doo doo zib, doo doo zib, doo doo zib"
You'd actually do something like: "Doo doo zib, doo doo zib, doo zib, doo zib, doo doo doo zib, doo zib, doo zib, doo doo doo zib, doo zib zib, doo zib zib, doo doo zib, doo doo zib"
(2) Here: "Sul sul sul, sul sul sul, sul sul sul, sul sul sul."
He'd likely go for something like: "Sul sul sul, sul sul sul, sul sul sul, sulna sulna sulna, sul sul sul, sulna sulna sulna, sulna sulna sulna, na na na, na na na, sul sul sul, sulna sulna sulna, na na na".
Source: Am a composer who composes music in minimalist style with strong influences from Philip Glass.
ChatGPT-4:
Thank you for your valuable feedback and insights into Philip Glass's minimalist style. I appreciate your expertise and will attempt to create a more accurate a cappella cover of a Philip Glass song in Simlish, keeping your suggestions in mind:
Sul sul la, sul sul la, sul sul la, sul la sul la,
Sul la, sul sul la, sul la, sul la sul la,
La la, la la, la la, la sul sul la,
La la, la la, la sul la, la sul sul la,
Zib zib doo, zib zib doo, zib doo zib doo,
Doo zib, doo zib, doo doo zib doo, zib doo zib doo,
Zib doo, zib doo, doo doo zib, doo doo zib,
Zib doo zib, zib doo zib, zib doo zib, doo doo zib,
Sul sul na, sul sul na, sul na, sul na sul na,
Sul na, sul sul na, sul na, sul na sul na,
Na na, na na, na na, na sul sul na,
Na na, na na, na sul na, na sul sul na,
Doo doo la, doo doo la, la la doo, la la doo,
Doo la doo, doo la doo, la la doo, la la doo,
Doo la la, doo la la, la la doo, la la doo,
La doo, la doo, doo la doo, doo la doo.
Please note that this is a creative interpretation of a Philip Glass song in Simlish, and it may not fully capture the nuances of his minimalist style. However, I hope this version reflects a better understanding of the rhythm and repetition that characterizes Philip Glass's compositions.EDIT: "doo doo la" -> "la la doo" looks a bit more "creative" since I don't think this is a suggestion I made (unless you added more examples to your response). So, yeah not bad.
EDIT2: Nevermind, I did use that kind of transformation in my example (1) above: "doo zib zib" -> "doo doo zib". In short, it seems to have vaguely understood that the point of repetition here is to emphasize transformations. But it should be able to come up with novel transformations like Glass does.