这是2024年平头旗舰的第三篇，本来也是最后一篇的，但是因为凯声DM7Ti目前断货，我又不想把DM7的评测拖得太晚，于是这篇就先聊聊凯声的DM7吧 ...

Now, the progression would be Dm7‑Db7-Cmaj7, which can support many ... Let’s make it a dominant 7th, then shift it up a tritone (#4/b5) to give us Eb7. Then let’s go even further and ...