How many songs are in the album "Blue Hour" by Marianne Piketty, Le Concert Idéal?

There are a total of 10 songs in "Blue Hour".

When was the album "Blue Hour" by Marianne Piketty, Le Concert Idéal released?

"Blue Hour" was released on April 10, 2020.

#	Track	Artist	Key	Camelot	BPM
1	O Magne Pater	Hildegard von Bingen, Marianne Piketty, Le Concert Idéal	G Major	9B	114
2	Une Vision d'Hildegarde	Philippe Hersant, Marianne Piketty, Le Concert Idéal	G Major	9B	63
3	Two Pieces for String Octet Op. 11: I. Prelude	Dmitri Shostakovich, Marianne Piketty, Le Concert Idéal	A Minor	8A	103
4	Two Pieces for String Octet Op. 11: II. Scherzo	Dmitri Shostakovich, Marianne Piketty, Le Concert Idéal	A♭ Major	4B	155
5	Rex Noster Promptus Est	Hildegard von Bingen, Marianne Piketty, Le Concert Idéal	A Minor	8A	71
6	Concerto Funebre for Solo Violin and String Orchestra: I. Introduction (Largo)	Karl Amadeus Hartmann, Marianne Piketty, Le Concert Idéal	D♭ Major	3B	87
7	Concerto Funebre for Solo Violin and String Orchestra: II. Adagio	Karl Amadeus Hartmann, Marianne Piketty, Le Concert Idéal	D Minor	7A	73
8	Concerto Funebre for Solo Violin and String Orchestra: III. Allegro di molto	Karl Amadeus Hartmann, Marianne Piketty, Le Concert Idéal	A Major	11B	105
9	Concerto Funebre for Solo Violin and String Orchestra: IV. Choral (Langsamer Marsch)	Karl Amadeus Hartmann, Marianne Piketty, Le Concert Idéal	C Minor	5A	95
10	Vos Flores Rosarum	Hildegard von Bingen, Marianne Piketty, Le Concert Idéal	D Major	10B	142