Lief Holt

- Hollow
- Senses Series: Hollow · 2025
- Beneath the Waves (Sollos Sleep Mix)
- Dream Space - Sollos Sleep Collection (Sollos Sleep Mix) · 2026
- Comfort (Sollos Sleep Mix)
- Dream Space - Sollos Sleep Collection (Sollos Sleep Mix) · 2026
- Fragile Life (Sollos Sleep Mix)
- Dream Space - Sollos Sleep Collection (Sollos Sleep Mix) · 2026
- High Up Above (Sollos Sleep Mix)
- Dream Space - Sollos Sleep Collection (Sollos Sleep Mix) · 2026
- Peaceful Skies (Sollos Sleep Mix)
- Dream Space - Sollos Sleep Collection (Sollos Sleep Mix) · 2026
- Companionship (Sollos Sleep Mix)
- Dream Space - Sollos Sleep Collection (Sollos Sleep Mix) · 2026
- Inner Storm
- Emotions · 2026
- Bittersweet
- Emotions · 2026
- The Space Between Us
- Emotions · 2026