How many songs are in the album "Bulgarian Folk Treasure-house" by Various Artists?

There are a total of 20 songs in "Bulgarian Folk Treasure-house".

When was the album "Bulgarian Folk Treasure-house" by Various Artists released?

"Bulgarian Folk Treasure-house" was released on January 1, 2007.

#	Track	Artist	Key	Camelot	BPM
1	Bela Sum, Bela, Yunache	Philip Koutev Ensemble	A Major	11B	130
2	Trakiiska Pesen I Trite Puti	Kostadin Varimezov	G Major	9B	118
3	Polegnala E Tudora	Philip Koutev Ensemble	D Major	10B	106
4	Jorkinata - Horo	The Strandja Group	E Minor	9A	179
5	Kalimanku Denku	Yanka Rupkina, Bulgarian State Television Female Choir	B Minor	10A	133
6	Kopanitza	Philip Koutev Ensemble, Jivka Klinkova	G Major	9B	58
7	Lale Li Si, Zyumbyul Li Si, Gyul Li Si	Elena Yurukova, Janka Takeva, Verka Siderova	E Minor	9A	97
8	Djokata - Horo	Dimitur Stoikov	B Major	1B	82
9	Sokole, Sivi Sokole	Kojcho Kamenov	F Major	7B	64
10	Daychovo Horo	Boris Karlov	A Major	11B	87
11	Jenala E Dyulber Yana	Vulkana Stoyanova	A Minor	8A	83
12	Kakva S' Ei Prolet Zadala	Gospodin Kolev	F♯ Minor	11A	79
13	Alfatarska Ruchenitza	Dragan Karapchanski	A Major	11B	80
14	Razshirilo Se Nebeto	Stanka Giokova	E Minor	9A	87
15	Pandelash - Horo	Nikola Ganchev	A Major	11B	181
16	Sestra Kani Brata Na Vecherya	Roza Tzvetkova	C Major	8B	100
17	Gergebunarsko Horo	Kostadin Varimezov	G Major	9B	160
18	Pritouri Se Planinata	Stefka Sabotinova	F♯ Minor	11A	89
19	Kara Li Ta, Ruske Le I Derekyovsko Horo	Stefan Zahmanov	A♭ Major	4B	145
20	Izlel Je Delio Haidutin	Valya Balkanska	F Major	7B	87