In 2021 Rosenbaum exhibited the large scale installation Celeste at Copenhagen Contemporary together with artists Lea Guldditte Hestelund, Ea Verdoner and Cæcilie Trier.

Palais De Tokyo, The Metropolitan Museum of Art, Brooklyn Academy of Music and The Royal Danish Ballet.

Producer, Keyboards, Synthesizer, Recording Producer, Arranger, Keyboards, Organ, Synthesizer, Recording "Someone Younger" "Choral" "To A Friend" "Fertile Feelings" "Sober Glow" "August" "Watching The News" Producer, Arranger, Keyboards, Organ, Synthesizer, Recording "8:00 am (in the shadow is the view of the crowd)" "9:00 pm (nox)" "2:00 am (dark green)" "3:30 am (time passes time)" Producer, Arranger, Piano Erika De Casier & August Rosenbaum Piano "Fiction (ft. Ian Isiah)" "No Label (ft. Emi Wes & Felukah)" "Selfish Kind of Love" "Empire (ft. Moses Boyd & Philip Owusu)" "Swim On" "East Side (ft. Lil Halima)" "Revolve" "Hypnotized (ft. Jada)" "Seconds (ft. Coco O.)"

"Tidal Wave (ft. Hans Philip)" "Empire (solo piano)" Producer, Arranger, Keyboards, Organ, Synthesizer, Vocals, Recording "Rubato" "Tal Til Mig"

Philip Owusu) "Skin" "Tristana" "Emo" "Credo" "Melville" "Victim" Arranger, Solo Artist "All I Need" "Mulholland" Records Arranger,Piano,Organ "Rhizome" "Weave" Producer,Arranger,Solo Artist,Celeste,"Sea Salt""It's Gonna Get You"Culture / Epic Arranger,Piano,Synthesizer,Organ"Verse""Major Minor Love" Universal Republic "Sea Urchin" "Heights" "Calm" "Kimono" "Fluid" Producer, Arranger, Solo Artist, Piano, Cembalo August Rosenbaum & Stephen Bruner "Jordi" Music Academy Rhodes, Organ, Synthesizer Lars Greve & August Rosenbaum "2" "3" "4" "5" "6" "7" Producer, Piano Man OST "Pannon" "Let Me Leave With You" "Shoyn Fargessen" "Be On The Lookout" "Her Har Vi Balladen" "D'accord" "Heinseit" Producer, Arranger, Piano "Absentia" "Way Out" "Still It Moves" "Romantics" "Heinseit" "Delicate Matter" "Shoyn Fargessen" Producer, Arranger, Solo Artist, Piano Research Research Organ Danish Music Awards Danish Theatre Critics Award Göteborg Film Festival - Dragon Award Danish Music Awards Danish Critics Choice Award Nordic Music Prize Danish Publishers Award Danish Arts Council Léonie Sonning Music Prize