Music documentary

Ken Burns’ ‘Country Music’ documentary series airs on PBS

Country Music (8 p.m. and 10 p.m., PBS/UNC-TV) – Documentary filmmaker Ken Burns does it again, this time providing a definitive eight-part, 16-hour chronicle of country music history and how it evolved through the 20th century. The series explores this American art form from its roots in ballads, anthems and the blues to its mainstream popularity. Burns uses never-before-seen footage and photographs, as well as interviews with more than 80 country music artists to tell his story. , and launched the careers of the first big stars of the genre: the Carter family and Jimmie Rodgers. Installments will air tonight through Wednesday, September 18, and then from Sunday, September 22 through Wednesday, September 25.

Capturing Chris Watts (8 p.m., Reelz) – This Reelz special takes a look at the Colorado monster that wiped out his family last summer. Watts murdered his North Carolina-born wife Shannan, then killed the couple’s two infant daughters, dumping their bodies in oil drums at his workplace. Police body camera footage and surveillance footage show what happened in the investigation and how Watts was eventually arrested and charged.

The Masked Singer: Super Sneak Peek (8 p.m., Fox) – Season 2 characters are introduced. Look for the official Season 2 premiere on September 25.

Comedy Central Roast: Alec Baldwin (10 p.m., Comedy Central) – Alec Baldwin is skewered by his entertainment peers.

Some programming descriptions are provided by the networks.