Similar to telethons , but considerably shorter , are nationally televised benefit concerts following major disasters such as the September 11 , 2001 terror attacks , the Indian Ocean tsunami , Hurricane Katrina and the 2010 Haiti earthquake . These are generally three-time broadcasts meant to spur immediate humanitarian contributions , not part of the annual donation drives of the charities involved . Typically a phone number or website will appear on screen during the entire concert for donors to make pledges , but there may not necessarily be a live host announcing
2010 Haiti earthquake
2010 Haiti earthquake
Telethon