Completion requirements
Read the short text about charity concerts.
Adapted from : https://tegv.org/tag/teleton/
http://edition.cnn.com/2017/06/09/health/champions-for-change-biggest-celebrity-driven-fundraiser-events/index.html
https://en.wikipedia.org/wiki/Benefit_concert
Adapted from : https://tegv.org/tag/teleton/
http://edition.cnn.com/2017/06/09/health/champions-for-change-biggest-celebrity-driven-fundraiser-events/index.html
https://en.wikipedia.org/wiki/Benefit_concert