Love Mozart also, fell in love with Amadeus, and watch it at least once a year. While I'm a die-hard Ludvig fan, my collection include plenty of Bach, Mozart and Vivaldi, plus many others. And since you mentioned ABBA, here is the link to a story I wrote about them last year: https://medium.com/crows-feet/boomers-delight-abba-is-back-an-inspiration-to-senior-citizenry-93d29fda255a