It is difficult to say exactly how long Dr. Horribles Sing-Along Blog has been around, as there is no definitive record of its creation.
However, it is generally agreed that the blog began circulating online in late 2006 or early 2007. Since its inception, the blog has amassed a large and loyal following, with many people claiming that it is one of the funniest and most entertaining blogs on the internet.
Despite its age, Dr. Horribles Sing-Along Blog remains as popular as ever. The blog’s content is regularly updated with new songs, sketches, and videos, keeping the site fresh and engaging for its readers.
Additionally, the blog has attracted a number of guest authors who have contributed new material to the site. These include comedians such as Hannibal Buress and Patton Oswalt, as well as professional songwriters such as John Legend and Diane Warren.
So overall, it can be said that Dr. Horribles Sing-Along Blog is an extremely popular blog with a long history of entertaining content.
Although its lifespan is uncertain, it seems likely that the blog will continue to be updated and enjoyed for many years to come.