Here is a 1-paragraph summary of the text: A company called Twilion has created several emergency music hotlines that connect callers with their favorite artists' songs, providing a unique way to experience nostalgia and entertainment. These hotlines, including "Callin' Oates" for Hall & Oates fans, "Bob Dialin'" for Bob Dylan enthusiasts, and others like "Diamond Rings" for Neil Diamond devotees, allow users to press numbers to hear specific songs or artists on demand. The hotlines were built using Twilio's platform and have already gained popularity among music lovers, with over a million calls made since their inception.