The historical score shows how big an act was at the time of that edition, on a scale of 100 against the biggest acts of all editions. The letter is the level by the festival's own scale. How the points work ›
Chances for 2027
Probability estimates remain estimates and are not an official announcement.
No rumours, no inside knowledge. Tap Why? for the reasons.
Why?
Why?
Why?
Figures
indiedream popart popNeo-Psychedeliabritishhypnagogic pop
Career
- Line-ups
- Best Kept Secret 2026
- Active since
- 2023
- Albums
- Mark William Lewis 2025
- Living 2023
- Concerts per year
- 2026 19
- 2025 34
Older concert dates are still being added, so this may be incomplete.
Stature
- Discogs
- 439 times in a collection
- 233 on a wishlist
- 2 uitgaven
Per album, times in a collection- Pleasure Is Everything / God Complex 2024 · 61
- Mark William Lewis 2025 · 378
- Biggest own venue
- Cactus Cafe, Brugge
- ±150 plaatsen
- 2025 (Benelux, last three years)
Older concert dates are still being added, so this may be incomplete.
Today
- Radio
- Last 30 days
BBC Radio 6 Music 3 0,7 per week Since we track the stationBBC Radio 6 Music 101 1,0 per week since Nov 2024 KEXP 6 0,0 per week since Nov 2023 BBC Radio 1 3 0,0 per week since Nov 2023 Studio Brussel 1 0,0 per week since Nov 2023 Willy 1 0,0 per week since Dec 2024
Records
Studio albums, the highest position in the Belgian and Dutch album charts (Ultratop, Dutch Charts) with the number of weeks, gold and platinum (BEA, NVPI), and how many Discogs members own the record. Data provided by Discogs.
| Album | Year | Belgian album chart | Dutch album chart | Gold/platinum | Discogs collections |
|---|---|---|---|---|---|
| Mark William Lewis | 2025 | – | – | – | 378 |
| Living | 2023 | – | – | – | – |
Discogs: 439 times in a collection. 233 times on a wishlist.
How popular is Mark William Lewis compared with other countries?
Much bigger in Denmark than you would expect.
Based on search volume and listeners from the various sources. Each country compared with the worldwide figure.
Upcoming concerts
Benelux first, then Europe. Alle data op Ticketmaster.
| Date | Stad | Country | Zaal of festival | Event |
|---|---|---|---|---|
| 20/11/2026 | Los Angeles | United States | Teragram Ballroom | Pretty but wicked presents: mark william lewis |
Best-known songs (Deezer)
Per edition, historical
Score measured in the twelve months before each edition, place = rank in that line-up. The letter differs per festival: an A at Best Kept Secret can be a C at Rock Werchter.
| Edition | Score | Level | Rank | Exceptional | Belgium | Netherlands | World | Sources |
|---|---|---|---|---|---|---|---|---|
| Best Kept Secret 2026 | – | C | 38 / 82 | 100 | – | – | – | Wikipedia, search volume, setlist.fm, stature |
Reviews and reports
Reviews by Dansende Beren and Festileaks.
| Edition | Titel | Bron | Date | Soort |
|---|---|---|---|---|
| Best Kept Secret 2026 | Best Kept Secret 2026 (Festivaldag 2): Na regen komt rock-‘n-roll | Dansende Beren | 14/06/2026 | dagverslag |
Over the years
◆ purple = album, ▲ red = festival in Belgium, ▲ green = festival in the Netherlands, ● grey = own concert. Click the legend to switch them on or off.
Festivals and own concerts
- ▲Saturday, June 2026 · Best Kept Secret
- ●06/10/2025 · Cactus Cafe, Brugge
Place among all acts on this site: 80 = viewed or searched more than 80% of the other acts that month. The thick line is the average.
Studio Brussel since August 2023, NPO 3FM and KINK since 2020, the other stations since late October 2026. "Compare countries" shows the average per station.
Songs per station, last 18 months
| Station | Country | Most played |
|---|---|---|
| Studio Brussel | Belgium | Petals 1 |
| Willy | Belgium | Skeletons Coupling 1 |
| KEXP | United States | Still Above 4 · Cold Paris Vogue 1 |