The CD is recorded using the instruments, could be available in viking times.
You'll hear the kokle- ancient instrument, like Finnish kantele or Russian gusli.
Folk songs in Livonian language. (Languages is beey close to Finnish, but different and is "gone" language in present.
You'll hear some medieval and Irish melodies. 
Instruments: 
Kokle, flutes, bagpipes, percussion, bulroarer, blow horn.
Music is gentle and melodic, relaxing and meditave.
Thank You for the support!
Some songs to listen:


https://www.youtube.com/watch?v=ygCqMMGDiUU&list=PLM90InVJ8FBXTgiM41vIpiDRYv67wAQsZ