Organ: Manuals Only (or Positive Organ)
| Op. 845 | Ricercare piccola sopra un nome (2009) for Harpsichord (or Other Keyboard) | 3 min. |
Erik Simmons, organ Dedication: for Peter Sykes Publisher: Musik Fabrik | ||
| Op. 1014 | Ricercari (2013) for Keyboard | 8 min. |
Erik Simmons, organ Publisher: Zimbel Press/Subito Music Corp. | ||
| Op. 1162 | Rondelet (2016) for Organ (opt. pedal) | 2.75 min. |
Erik Simmons, organ Dedication: for Jan Mannee Publisher: Zimbel Press/Subito Music Corp. in "Cambridgeport Collection" | ||
| Op. 1154 | Rondino for St. Joseph (2016) for Organ (opt. pedal) | 2.5 min. |
Carson Cooman, organ Dedication: for Andreas Willscher, St. Joseph, Hamburg-Wandsbek Publisher: Carus-Verlag in "Expressions for Organ" | ||
| Op. 1122 | Rondo estatico (2015) for Keyboard | 2.75 min. |
Erik Simmons, organ Dedication: for Jeff and Beth Publisher: Zimbel Press/Subito Music Corp. in "Five Festive Organ Pieces, Set 1" | ||
| Op. 1056 | Roundelay (2014) for Organ (manuals only) | 5 min. |
Erik Simmons, organ Dedication: for Calvert Johnson Publisher: Zimbel Press/Subito Music Corp. in "Cambridgeport Collection" | ||
| Op. 945 | Sinfonia (2011) for Organ (opt. pedal) | 8.5 min. |
Erik Simmons, organ Dedication: for Professor Helmut Maier Publisher: Wayne Leupold Editions, Inc. in "Carson Cooman: Organ Music, Vol. 8" | ||
| Op. 1016 | Sonatina No. 2 (2013) for Organ (opt. pedal) | 8 min. |
Erik Simmons, organ Dedication: for Robby Behrman Publisher: Zimbel Press/Subito Music Corp. in "Sonatinas Nos. 2 & 3" | ||
| Op. 1049 | Sonatina No. 3 (2014) for Organ (opt. pedal) | 6.5 min. |
Dedication: for Johan-Magnus Sjöberg Publisher: Zimbel Press/Subito Music Corp. in "Sonatinas Nos. 2 & 3" | ||
| Op. 1508 | Terzetto (2023) for Organ (manuals only) or Piano | 2.75 min. |
Erik Simmons, organ Dedication: for Erik Simmons Publisher: SMP Press | ||
| Op. 1110 | Three Enigmas (2015) for Organ (manuals only) | 6 min. |
Erik Simmons, organ Dedication: in memoriam Peter Bares (1936–2014) Publisher: Zimbel Press/Subito Music Corp. in "Cambridgeport Collection" | ||
| Op. 1079 | Three Renaissance Dances (2014) for Keyboard | 6 min. |
Matthew McConnell, harpsichord Dedication: for Matthew McConnell Publisher: Zimbel Press/Subito Music Corp. | ||
| Op. 1035 | Tiento (2013) for Organ (manuals only) | 3 min. |
Erik Simmons, organ Dedication: for Lois Regestein Publisher: Zimbel Press/Subito Music Corp. in "Four Tientos" | ||
| Op. 1292 | Tiento de batalla (2018) for Organ (opt. pedal) | 4.5 min. |
Erik Simmons, organ Dedication: for Klaus Stehling Commission: Commissioned by Klaus Stehling Publisher: Zimbel Press/Subito Music Corp. in "Four Tientos" | ||
| Op. 1063 | Toccata sequenziale sopra “ut re mi fa” (2014) for Keyboard | 5 min. |
Erik Simmons, organ Dedication: for Allan Winkler Publisher: Zimbel Press/Subito Music Corp. | ||
| Op. 1087 | Tres novas cantigas (2014) for Portative Organ and Optional Percussion | 7.5 min. |
Dedication: for Catalina Vicens Commission: Commissioned by the AR Trust Publisher: Soundspells Productions | ||
| Op. 1078 | Two Elegiac Pieces (2014) for Organ (manuals only) | 5 min. |
Erik Simmons, organ Dedication: for Andrew Paul Holman Publisher: Zimbel Press/Subito Music Corp. in "Riverside Collection" | ||
| Op. 1216 | Two Impressions (2017) for Organ (opt. pedal) | 4 min. |
Erik Simmons, organ Dedication: for Jan and Ingrid Elgarøy | ||
| Op. 1318 | Two Orgelkids Pieces (2018) for Organ ("Do-organ"; Orgelkids project) | 3.5 min. |
Erik Simmons, organ Dedication: for Lydia Vroegindeweij Publisher: free download | ||
