How many songs are in the album "AO-∞" by Seiryu?

There are a total of 20 songs in "AO-∞".

When was the album "AO-∞" by Seiryu released?

"AO-∞" was released on March 1, 2017.

#	Track	Artist	Key	Camelot	BPM
1	AO-1 - AO-∞MIX	電龍	G Major	9B	97
2	VOX RUSH	sampling masters AYA, Sampling Masters MEGA, Seiryu	D Major	10B	101
3	Eclipse Zero - AO-∞MIX	tumuahaB	B♭ Minor	3A	99
4	3!dolon Forc3	青龍×Eagle	A Major	11B	95
5	檄 (AO-∞MIX)	Ryu, Seiryu	F♯ Minor	11A	96
6	256*256	t+pazolite, Seiryu	B♭ Minor	3A	128
7	Ultra Funktion - Ryu☆ VS 青龍 Remix	lapix	E Major	12B	184
8	Castle on the Moon - AO-∞MIX	Seiryu	F Minor	4A	96
9	Genesis at Oasis - AO-∞MIX	白龍	G Minor	6A	106
10	STARLiGHT - AO-∞MIX	星龍	B Minor	10A	199
11	AO-0	Seiryu	E♭ Minor	2A	96
12	8a55	Seiryu	D♭ Major	3B	191
13	Deus ex Machina	Seiryu	B Minor	10A	104
14	Dimension Sword	白龍	C Minor	5A	170
15	ra'am - AO-∞MIX	電龍	B♭ Minor	3A	111
16	3y3s - かめりあ's "0p3n Ur 3y3s" remix	Camellia, Seiryu, BLUE TURTLE	B Minor	10A	155
17	Girl on Data	E.G.G., Seiryu	C Major	8B	191
18	MOONLiGHT - AO-∞MIX	Getsuryu	G Minor	6A	199
19	Raveit! Raveit! - AO-∞MIX	機龍	D Major	10B	141
20	AO-∞	Seiryu	D♭ Minor	12A	95