What is "rolldabeats"

Rolldabeats (branded in lowercase, as rolldabeats, previously known as Tarzan) is an online music database dedicated to drum and bass and its various stylistic origins. It was launched in February 2005 by the original webmaster Thijs Engels, and web designer Tom "Haste" Johnson. According to the website, the database holds over 100,000 tracks released by more than 20,000 artists.