| 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=12-19-2021 |
| Time | Title | Artist | Album | Label | Genre |
| 08:04 pm | Arnold Schoenberg: Weihnachtsmusik (Music de Noël) | Irvine Arditti, David Alberman, Rohan de Saran, Håkon Austbø, Louise Bessette | Schoenberg: Weihnachtsmusik & Transcriptions | Montaigne | 20th Century Classics |
| 08:10 pm | Arnold Schoenberg: Friede auf Erden, Op. 13 | Graham Ross: Choir of Clare College, Cambridge | Lux de caelo: Music for Christmas | Harmonia Mundi | 20th Century Classics |
| 08:19 pm | Charles Ives: A Christmas Carol | Jan DeGaetani, Gilbert Kalish | Ives: Songs | Nonesuch | 20th Century Classics |
| 08:21 pm | Charles Ives: "Adeste Fidelis" in an Organ Prelude | Hans-Ola Ericsson | Organ Music from the U.S.A. | BIS | 20th Century Classics |
| 08:26 pm | Krzysztof Penderecki: Izhe Xeruvimy (Song of Cherubim) | Dale Warland: The Dale Warland Singers | December Stillness | American Choral Catalog | 20th Century Classics |
| 08:37 pm | Josef Matthias Hauer: Zwölftonspiel Weihnachten 1946 | Steffen Schleiermacher | Music at the Bauhaus | MDG Scene | 20th Century Classics |
| 08:42 pm | Marcel Duchamp (arr. Petr Kotik): Sculpture Musicale | Petr Kotik | Music by Marcel Duchamp | Edition Block | 20th Century Classics |
| 08:48 pm | Jennifer Higdon: Deep in the Night | Judith Clurman: The New York Concert Singers | A Season's Promise | New World | 20th Century Classics |
| 08:54 pm | Thomas Cabaniss: Behold the Star | Judith Clurman: The New York Concert Singers | A Season's Promise | New World | 20th Century Classics |
| 08:56 pm | Carl Ruggles: Angels (Trumpet/Trombone Version) | Michael Tilson Thomas: Studio Brass Ensemble | The Complete Music of Carl Ruggles | CBS Masterworks | 20th Century Classics |
| 09:03 pm | Dane Rudhyar: Advent | Kronos Quartet | Music of Dane Rudhyar | CRI | 20th Century Classics |
| 09:25 pm | Peter Maxwell Davies: O magnum mysterium / The Fader of Heven / O magnum mysterium | Andrew Parrott: Taverner Concert & Choir | The Promise of Ages - A Christmas Collection | Sony Classical | 20th Century Classics |
| 09:33 pm | Béla Bartók: Romanian Christmas Carols, Sz 57 | Martijn van den Hoek | Piano Music for Christmas | Stemra | 20th Century Classics |
| 09:46 pm | Zoltán Kodály: A Christmas Carol | Dénes Szabó: Cantemus - Nyíregyháza | Kodály: Choral Works 7 - Children's, Youth, and Female Choruses | Hungaroton | 20th Century Classics |
| 09:49 pm | Alan Hovhaness: Triptych - II. Christmas Ode | Benita Valente; Alfredo Antonini: Members of the Bamberg Symphony, Bavarian Radio Singers | Looking to the East | CRI | 20th Century Classics |
| 09:56 pm | Alfred Schnittke: Stille Nacht | Anne Akiko Meyers | Seasons...Dreams... | eOne Music | 20th Century Classics |
| 10:05 pm | Michael Praetorius (arr. Eric Dudley): How a Rose | Roomful of Teeth | How a Rose | New Amsterdam | 20th Century Classics |
| 10:12 pm | Thomas Hyde: Improvisation on ‘Puer Natus’ | Stephen Farr | This Christmas Night | Resonus Limited | 20th Century Classics |
| 10:17 pm | Herbert Howells: A spotless Rose | Roderick Williams; Hilary Davan Wetton: City of London Choir | In Terra Pax: A Christmas Anthology | Naxos | 20th Century Classics |
| 10:20 pm | Linda Buckley: Revelavit | Ergodos Musicians | All the Ends of the Earth | Ergodos | 20th Century Classics |
| 10:29 pm | Garrett Sholdice: Weihnachtliche Musik | Ergodos Musicians | All the Ends of the Earth | Ergodos | 20th Century Classics |
| 10:36 pm | Steve Roden: Stars of Ice | Steve Roden | Stars of Ice | New Plastic Music | 20th Century Classics |
| 11:11 pm | Traditional: Greensleeves | Meredith Monk | Beginnings | Tzadik | 20th Century Classics |
| 11:16 pm | Trad. (arr. Stephen Jackson): Noël Nouvelet | Andrew Lumsden: The Choir of Lichfield Cathedral; Robert Sharpe | Christmas from Lichfield | Nimbus | 20th Century Classics |
| 11:21 pm | Improvisation on the Dutch Christmas Carol "Midden in de Winternacht" | Ton de Leeuw, Philippe Graffin, Jelger Blanken | Violin Sonatas, Etc. | Onyx Classics | 20th Century Classics |
| 11:23 pm | Tansy Davies: Christmas Eve | Edward Wickham: The Choir of St. Catharine's College, Cambridge | Nova! Nova!: Contemporary Carols from St Catharine's | Resonus Classics | 20th Century Classics |
| 11:29 pm | Errollyn Wallen: Peace on Earth | George Hill; Stephen Cleobury: Choir of King's College Cambridge; Donal McCann | Peace on Earth | Kings College | 20th Century Classics |
| 11:37 pm | Trad. (arr. David Willcocks): Gabriel's Message | David Flood: The Choir of Canterbury Cathedral | A Canterbury Christmas | York Ambisonic | 20th Century Classics |
| 11:40 pm | Jeremy Thurlow: Magnificat | Edward Wickham: The Choirs of St Catharine's College, Cambridge | Alpha & O: Music for Advent & Christmas | Resonus Classics | 20th Century Classics |
| 11:46 pm | Giles Swayne: O Magnum Mysterium | Nicholas Freestone; Stephen Farr: The Choir of Worcester College, Oxford | Nowell Sing We: Contemporary Carols, Vol. 2 | Resonus Classics | 20th Century Classics |
| 11:48 pm | Giles Swayne: Coventry Carol, Op. 77 No. 4 | Graham Ross: Choir of Clare College, Cambridge | Lux de caelo: Music for Christmas | Harmonia Mundi | 20th Century Classics |
| 11:53 pm | Lennox Berkeley: Look up, sweet babe, Op. 43, No. 2 | David Flood: The Choir of Canterbury Cathedral; Timothy Noon | A Canterbury Christmas | York Ambisonic | 20th Century Classics |
| 11:59 pm | Irving Berlin: White Christmas | Torsten Nilsson: Oscars Motettkör; Alf Linder | Cantate Domino | Proprius | 20th Century Classics |
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