Dag Krister Volle (26 April 1963 – 30 August 1998), better known as Denniz Pop (stylized Denniz PoP), was a Swedish DJ, music producer, and songwriter. He was a member of the DJ collective SweMix and later co-founded the recording studio Cheiron Studios in Stockholm in 1992.
Volle met the Nigerian-Swedish singer Dr. Alban while they were both DJing, and in 1990, he produced his debut single, "Hello Afrika", and the subsequent eponymous album, which were released under the SweMix label. In 1992, he left SweMix and together with music investor Tom Talomaa, founded Cheiron Studios in Stockholm; the next year, he recruited Max Martin. In the following years, he co-produced and co-wrote songs for several successful Swedish and foreign artists, including Leila K, 3T, Ace of Base, Backstreet Boys, Britney Spears, *NSYNC, E-Type, Robyn, and 5ive.
In an interview, Volle said that he took the name "Denniz" from the Dennis the Menace comic book and then added "pop" to it.
In 2016, he was inducted into the Swedish Music Hall of Fame.
| 1988 | Denniz Pop | "Gimme Some Mo' (Bass on Me)" | Producer | Writer |
| 1990 | Dr. Alban | Hello Afrika | Sole producer | Co-written with Alban Uzoma Nwapa |
| 1992 | Ace of Base | Happy Nation | Co-producer | |
| Dr. Alban | One Love | Co-producer | Co-written with Alban Uzoma Nwapa | |
| 1993 | Leila K | Carousel | Co-producer | Co-writing credit |
| Ace of Base | The Sign | Co-producer | ||
| 1994 | Dr. Alban | Look Who's Talking | Co-producer | Co-writing credit |
| E-Type | Made in Sweden | Co-producer | ||
| 1995 | 3T | Brotherhood | Co-producer | Co-writing credit on "Gotta Be You" |
| Ace of Base | The Bridge | Co-producer | ||
| Herbie Crichlow | Fingers | Co-producer | Co-writing credit | |
| Rednex | Sex & Violins | Co-producer | ||
| Robyn | Robyn Is Here | Co-producer | Co-writing credit on "Do You Know (What It Takes)" | |
| 1996 | Backstreet Boys | Backstreet Boys | Co-producer | Co-writing credit on "We've Got It Goin' On", "I Wanna Be with You", "Nobody But You" |
| E-Type | The Explorer | Co-producer | ||
| Leila K | Manic Panic | Co-producer | ||
| Michèle | "Do Me Baby" (single) | Co-producer | Co-writing credit | |
| 1997 | NSYNC | NSYNC | Co-producer | Co-writing credit on "I Want You Back" |
| Backstreet Boys | Backstreet's Back | Co-producer | Co-writing credit on "Everybody (Backstreet's Back)", "That's the Way I Like It", | |
| 1998 | 5ive | 5ive | Co-producer | Co-writing credit on "Slam Dunk (Da Funk)", "Partyline 555-On-Line", "Don't You Want It", "Straight Up Funk" |
| Jessica Folcker | Jessica | Co-producer | Co-writing credit | |
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