Top 10 Extreme Progressive Metal Songs of the 21st Century

Extreme Progressive Metal bands use harsh (unclean) vocals to create intensity. Harsh vocals are sometimes combined with clean vocals (cleans are provided by the same or another singer).

Extreme Progressive Metal songs often have both heavier and softer parts.

Most of the Extreme Progressive Metal bands are Progressive Death Metal bands but some of them prefer to be called Extreme Progressive Metal for different reasons - for example, harsh vocals can be closer to those in black metal than in death metal, or can include some other non-standard genre combinations.

The Top Ten Extreme Progressive Metal Songs of the 21st Century

1 And Plague Flowers the Kaleidoscope - Ne Obliviscaris

Unique sound, amazing composition, non-standard instrumentation, duets of clean and harsh vocals, great contrasts that work well together, build-up that perfectly creates the needed intensity (esp. 5:30-6:40), and so on.
This song may need more than 3 listens to be fully appreciated. - Metal_Treasure

2 Blackwater Park - Opeth
3 Bleed - Meshuggah

Djent guitar sound and mindblowing drumming in the odd 13/16 time. - Metal_Treasure

4 Septuagint - Obscura

This is one of the softest songs on this list and probably the softest Obscura song (so far). It doesn't mean it's easy listening though - prog metal is never easy listening, haha.
This song is with fretless bass played by Jeroen Paul Thesseling. - Metal_Treasure

5 Sanctuary: Light & Grief - Persefone

It has different parts and I like the most "Act I: Goddess' Wrath".
Get ready to get proggy - this song is 23:43 minutes long. - Metal_Treasure

6 The Art of Dying - Gojira

It includes an odd time signature - 21/16 - Metal_Treasure

7 Bleak - Opeth
8 Devour Me, Colossus, Pt. I (Blackholes) - Ne Obliviscaris
9 Weltseele - Obscura
10 Flying Whales - Gojira

The Contenders

11 Urn (Part I) - And Within the Void We are Breathless - Ne Obliviscaris
12 Seed: Core & Persephone - Act I: A Ray of Hope - Persefone
13 Synaptic Plasticity - Blotted Science

Extreme prog metal instrumental (guitars Ron Jarzombek) - Metal_Treasure

14 Ghost of Perdition - Opeth
15 Swim to the Moon - Between the Buried and Me
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