How many songs are in the album "Rainbow☆Rainbow" by Ryu☆?

There are a total of 20 songs in "Rainbow☆Rainbow".

When was the album "Rainbow☆Rainbow" by Ryu☆ released?

"Rainbow☆Rainbow" was released on December 7, 2011.

#	Track	Artist	Key	Camelot	BPM
1	I'm so Happy(Extended RRver.)	Ryu☆	A♭ Major	4B	181
2	Mermaid girl(Extended RRver.)	Creampuff	F♯ Minor	11A	140
3	passionate fate(Extended RRver.)	Ryu☆	F♯ Minor	11A	149
4	M3	Ryu☆	D Minor	7A	145
5	夢現	Another Infinity	E Minor	9A	143
6	Rise From The Ashes feat. Mayumi Morinaga vs MK	Another Infinity, Mayumi Morinaga, MK	A Major	11B	140
7	Dreaming Sweetness	Auridy	C Major	8B	140
8	My Babe Bee feat. Mayumi Morinaga	Another Infinity, Mayumi Morinaga	B Minor	10A	138
9	Ignited Night(Extended RRver.)	HHH	F Minor	4A	149
10	Snow Crystal feat. Mayumi Morinaga	Another Infinity, Mayumi Morinaga	C Major	8B	128
11	Lapis Lazuli feat. Mayumi Morinaga	Another Infinity, Mayumi Morinaga	G Minor	6A	140
12	STARS (Ryu☆Remix RRver.) feat. Mayumi Morinaga	Another Infinity, Mayumi Morinaga	A♭ Major	4B	181
13	COME BACK TO MY HEART (Ryu☆Remix) feat. Mayumi Morinaga	Another Infinity, Mayumi Morinaga	G Major	9B	180
14	ずっとみつめていて (Ryu☆Remix) feat. Mayumi Morinaga vs. Starving Trancer	DJ Uto, Starving Trancer, Mayumi Morinaga	D Major	10B	160
15	Sakura Sunrise(Extended RRver.)	Ryu☆	B Major	1B	181
16	Sakura Reflection(Extended RRver.)	Ryu☆	G Minor	6A	181
17	Go Beyond!! (Extended RRver.)	Ryu☆	G Major	9B	100
18	VOX UP (Extended RRver.) vs sampling masters MEGA	Sampling Masters MEGA, Seiryu	B Minor	10A	101
19	Ultramarine	Seiryu	F♯ Major	2B	191
20	rainbow rainbow (Extended RRver.)	Ryu☆	C Major	8B	177