Several older examples:

iPAD Band

Ariel Mashup

Car Horn Ensembles

Todd Johnson - Composer, Didgeriduu and Handbells

What can you add!? Share with us your lesson plans, videos of student 

compositions and group colaborations, and opportunities for students to collaborate virtually!

 https://drive.google.com/drive/folders/15kKCwFJag9WxN8MoANpC6fNr8WPkGYCM?usp=sharing