Introduce Us to Immortality is the first compilation album

Compilation album

A compilation album is an album featuring tracks from one or more performers, often culled from a variety of sources The tracks are usually collected according to a common characteristic, such as popularity, genre, source or subject matter...

 by extreme

Extreme metal

Extreme metal is a loosely defined umbrella term for a number of related heavy metal music subgenres that have developed since the early 1980s. The term usually refers to a more abrasive, harsher, underground, non-commercialized style or sound nearly always associated with genres like black metal,...

 progressive metal

Progressive metal

Progressive metal is a subgenre of heavy metal originating in the United Kingdom and North America in the late 1980s...

 band Kekal

Kekal

Kekal is a heavy metal band formed in 1995 in Jakarta, Indonesia. According to Allmusic, Kekal was one of the first heavy metal bands from Indonesia to make international inroads, and according to Keith Kahn Harris was one of the few extreme metal bands from Southeast Asia to ever make more than a...

. It is a best-of collection of works and re-recordings by the band dating from 1995 to 2003. Several tracks were digitally re-mastered at 24-bit

Audio bit depth

In digital audio, bit depth describes the number of bits of information recorded for each sample. Bit depth directly corresponds to the resolution of each sample in a set of digital audio data...

 processing, and two of the tracks were previously unreleased. The album included a full-color professional booklet cover, which contained a history of the band's progression from their first demo to their latest full-length album 1000 Thoughts of Violence

1000 Thoughts of Violence

1000 Thoughts of Violence is the 4th album by the Indonesian progressive black metal band Kekal, released in 2003. The central theme of the album is moral decline and the violent nature of humanity...

. According to the band, the purpose of the album was to give fans of the band a chance to hear earlier Kekal material, much of which was sold out.

Track-listing

1. Source of Existence(re-recorded, previously unreleased)
2. The Only Sound of Rain
3. Mean Attraction
4. Embrace the Dead (re-mastered)
5. Default
6. A Day the Hatred Dies (re-mastered)
7. Crave for Solid Ground
8. Healing (re-mastered)
9. Behind Those Images (re-mastered)
10. Millennium (re-mastered)
11. Rotting Youth (re-mastered)
12. The Painful Experience
13. Introduce Me to Immortality (remix, previously unreleased)