Kelly Carlin, the daughter of George Carlin, will host a monthly show on Sirius XM radio. The first of her interviews, with the actor and comedian Robin Williams, is to be broadcast on Sunday.

Ms. Samuels made her name on WABC radio in the 1980s and ’90s as the voice of liberalism in a lineup composed mainly of right-leaning men.

Howard Stern is expected to keep his morning radio show while participating in NBC’s popular summer series.

Tiesto, the Dutch D.J., will get his own music channel on Sirius XM satellite radio early next year. Tiesto’s Club Life Radio will be at Channel 340 on Edge Satellite radios and on the Sirius XM Internet radio site.

MOG becomes the first music-streaming service available in a car – in this case, 2011 BMWs and Minis.

Sirius’s action reflects a gradual shift in music business, as many companies try to reduce costs by bypassing the standard method of paying for digital streams.

In-car music continues to move to the cloud.

Ominous predictions of a municipal bond default have rattled investors, making an actual default more likely.