Breakdown of sabi wa kii ga takakute, ontei o awaseru no ga muzukashii.
Questions & Answers about sabi wa kii ga takakute, ontei o awaseru no ga muzukashii.
は marks サビ as the topic of the sentence.
So サビは means:
- as for the chorus
- when it comes to the chorus
The sentence is then making a comment about that topic:
- the chorus has a high key / goes high
- matching the pitch is difficult
So the structure is basically:
- サビは = as for the chorus,
- キーが高くて = the key/pitch is high, and/because
- 音程を合わせるのが難しい = matching the pitch is difficult
