| 1 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | NF (rapper) - As lead artist |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3 | Title | Year | Peak chart positions | Peak chart positions | Peak chart positions | Peak chart positions | Peak chart positions | Peak chart positions | Peak chart positions | Peak chart positions | Peak chart positions | Peak chart positions | Peak chart positions | Certifications | Album |
| 4 | Title | Year | US | US R&B /HH | US Christ | US Christ Airplay | AUS | CAN | IRE | NOR | NZ | SWE | UK | Certifications | Album |
| 5 | "Intro" | 2015 | — | — | 26 | — | — | — | — | — | — | — | — | - | Mansion |
| 6 | "Wait" | 2015 | — | — | 28 | — | — | — | — | — | — | — | — | - | Mansion |
| 7 | "All I Have" | 2015 | — | — | 39 | — | — | — | — | — | — | — | — | - | Mansion |
| 8 | "Intro 2" | 2016 | — | — | 17 | — | — | — | — | — | — | — | — | - | Therapy Session |
| 9 | "I Just Wanna Know" | 2016 | — | — | 15 | — | — | — | — | — | — | — | — | - | Therapy Session |
| 10 | "Real" | 2016 | — | — | 16 | — | — | — | — | — | — | — | — | - | Therapy Session |
| 11 | "Warm Up" | 2016 | — | — | 13 | — | — | — | — | — | — | — | — | - | non-album single |
| 12 | "Outro" | 2017 | — | — | 14 | — | — | — | — | — | — | — | — | - | Perception |
| 13 | "Green Lights" | 2017 | — | — | 11 | — | — | — | — | — | — | — | — | - | Perception |
| 14 | "Let You Down" | 2017 | 12 | 6 | 1 | 50 | 7 | 15 | 4 | 2 | 7 | 2 | 6 | RIAA: 3× Platinum ARIA: 3× Platinum BPI: Platinum GLF: 4× Platinum MC: 3× Platinum RMNZ: Platinum | Perception |
| 15 | "No Name" | 2018 | 82 | 35 | — | — | — | — | — | — | — | — | — | - | non-album single |
| 16 | "Lie" | 2018 | 48 | 19 | — | — | — | — | — | — | — | — | — | RIAA: Platinum MC: Gold | Perception |
| 17 | "Why" | 2018 | — | — | — | — | — | — | — | — | — | — | — | - | non-album single |
| 18 | "If You Want Love" | 2019 | — | — | — | — | — | — | — | — | — | — | — | RIAA: Gold | Perception |
| 19 | "—" denotes releases that did not chart or were not released in that territory. | "—" denotes releases that did not chart or were not released in that territory. | "—" denotes releases that did not chart or were not released in that territory. | "—" denotes releases that did not chart or were not released in that territory. | "—" denotes releases that did not chart or were not released in that territory. | "—" denotes releases that did not chart or were not released in that territory. | "—" denotes releases that did not chart or were not released in that territory. | "—" denotes releases that did not chart or were not released in that territory. | "—" denotes releases that did not chart or were not released in that territory. | "—" denotes releases that did not chart or were not released in that territory. | "—" denotes releases that did not chart or were not released in that territory. | "—" denotes releases that did not chart or were not released in that territory. | "—" denotes releases that did not chart or were not released in that territory. | "—" denotes releases that did not chart or were not released in that territory. | "—" denotes releases that did not chart or were not released in that territory. |

Question: When was "Warm Up" released?
Answer: "Warm Up" was released as a non-album single in 2016.