| Show name | 20/21 |
| Show DJs | DJ Pennebaker |
| Show info | Weekly radio program exploring modern and contemporary classical, experimental, and electronic music. Sundays from 8pm–12am (CST) on WTUL New Orleans. Locally broadcasting on 91.5 FM. |
| Show link | http://wtul.radioactivity.fm/show.html?showoid=1531 |
| Playlist RSS | http://wtul.radioactivity.fm/feeds/playlistrss.html?showoid=1531&date=04-11-2021 |
| Time | Title | Artist | Album | Label | Genre |
| 08:02 pm | Igor Stravinsky: The Rite of Spring | Simon Rattle: City of Birmingham Symphony Orchestra | Le sacre du printemps / Apollo | EMI | 20th Century Classics |
| 08:38 pm | Ruth Crawford: String Quartet | Spektral Quartet | Experiments in Living | New Focus | 20th Century Classics |
| 08:49 pm | Lou Harrison: The Perilous Chapel | Stephen Mosko: San Francisco Contemporary Music Players | The Perilous Chapel | New Albion | 20th Century Classics |
| 09:05 pm | György Ligeti: Horn Trio | Eric Huebner, Yuki Numata Resnick, Adam Unsworth | Désordre | New Focus | 20th Century Classics |
| 09:26 pm | Ingram Marshall: Fog Tropes | John Adams: Jim Miller, Tim Wilson, Marc Kenley, Don Kennelly, William Klingelofer, Brian McCarty | Fog Tropes / Gradual Requiem / Gambuh I | New Albion | 20th Century Classics |
| 09:37 pm | Steve Reich: Music for a Large Ensemble | Steve Reich Ensemble | Octet / Music for a Large Ensemble / Violin Phase | ECM | 20th Century Classics |
| 09:53 pm | Arvo Pärt: Spiegel im Spiegel | Kyrill Rybakov, Alexei Lubimov | Misterioso | ECM New Series | 20th Century Classics |
| 10:03 pm | Laurie Anderson: O Superman (For Massenet) | Laurie Anderson | Big Science | Warner Bros. | 20th Century Classics |
| 10:11 pm | Laurie Spiegel: The Orient Express | Laurie Spiegel | The Expanding Universe | Unseen Worlds | 20th Century Classics |
| 10:21 pm | Linda Catlin Smith: Piano Quintet | Philip Thomas, Quatuor Bozzini | Drifter | Another Timbre | 20th Century Classics |
| 10:36 pm | Hildegard Westerkamp: Fantasie for Horns II | Hildegard Westerkamp, Brian G'Froerer | Transformations | Empreintes DIGITALes | 20th Century Classics |
| 10:49 pm | William Basinski: d|p 2.1 | William Basinski | The Disintegration Loops | 2062 | 20th Century Classics |
| 11:01 pm | John Luther Adams: Become Ocean | Ludovic Morlot: Seattle Symphony | Become Ocean | Cantaloupe Music | 20th Century Classics |
| 11:43 pm | Kelly Moran: Reflexive Music (Autowave) | Kelly Moran | Origin EP | Warp | 20th Century Classics |
| 11:46 pm | Morton Feldman: Madame Press Died Last Week at Ninety | John Adams: Orchestra of St. Luke's | American Elegies | Elektra Nonesuch | 20th Century Classics |
| 11:51 pm | John Cage: In a Landscape | Raffaele Grimaldi | In a Landscape / Dream / Haiku | Blue Spiral | 20th Century Classics |
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