During the Osaka leg of Mirai, there will be several activities discussing Piapro Studio NT. These will be distributed on
Sonicwire's YouTube channel after the events.
Not all of these events are mentioned in the tweet (only the first one was), but you can see details of the events at the link from the tweet:
企画展ステージ | 初音ミク「マジカルミライ 2020」 in OSAKA
There are other events at the above link besides those related to NT, but I've only listed the NT-related ones below.
1: On 11/27 from 17:00-18:00
A presentation and lecture/talk session to introduce Hatsune Miku NT. An introduction will be made of the singing voice, bundled software, and some features, with demonstrations. There will also be some discussion of the development process.
Also available on Sonicwire's YouTube on 11/27 after 21:00.
2. On 11/28 from 11:00-12:00
A CFM employee who is new to Piapro NT and DTM will attempt to use NT for the first time.
3. On 11/29 from 15:00-16:00
This session introduces the voice and software of Miku NT, discussing a little about functions/parameters and how it feels to work with the software. They will attempt to demonstrate how much you can do with the software, including the use of bonus samples.