Thinking About Sentence-Level Pitch Accent: https://youtu.be/cxxNcKXsmH0
MIA JP Support Add-on: Pitch Accent Q&A: https://youtu.be/v0Ixd2IkYik

NOTES:
-for i-adjectives in the "～くて" form, there are actually two possible pitch-patterns, which are mostly used interchangeably: [-3] (like I show in the video: みじか↓くて), and [-4] (みじ↓かくて). 2 mora words like "よい", which will only have 3 mora in the "～くて" form, obviously can only be pronounced with the [-3] pattern (よ↓くて).
-There are a few number non-heiban verbs (such as 入る and 帰る) that have a pitch of [-3], not [-2]. This is due to a higher-level pitch-accent concept known as "特殊泊", or "special moras". "特殊泊" are "weak" moras that generally cannot become the accent-core of a word, and include ん, っ, the second half of extended vowels (such as the "あ" in "かあ"), and the second half of double-vowels (such as the "い" in かい). When the accent WOULD HAVE fallen on a "特殊泊", it gets bumped up to the previous mora instead. For example, because the second-to-last mora of "入る" is…