Folk songs are an important and essential part of the Bulgarian cultural heritage. Following the traditions of the
20th century in publishing Bulgarian folk songs, we prepared
the book “Folk Songs from Thrace” [3] with scores and lyrics
recorded from original performances in the 60s and 80s of the last century. We created a digital library of over 1200 songs, which provides access to songs via full-text search engine. The data sources are stored using advanced information technology to encode texts, notes and sound. Traditional indexes and bookmarks for the book are also developed using our software
