How many songs are in the album "HIP HOP LIBRARY" by DJ SEIJI?

There are a total of 18 songs in "HIP HOP LIBRARY".

When was the album "HIP HOP LIBRARY" by DJ SEIJI released?

"HIP HOP LIBRARY" was released on September 21, 2011.

#	Track	Artist	Key	Camelot	BPM
1	HIP HOP LIBRARY INTRO	DJ SEIJI	B♭ Minor	3A	97
2	オトノシュウジン	DJ SEIJI, TARO SOUL	B♭ Minor	3A	92
3	SO FRESH	DJ SEIJI, Word Swingaz	D♭ Major	3B	93
4	THE NINJA MEN	DJ SEIJI, MIC JACK PRODUCTION	D Major	10B	110
5	スキルとクリエイティビティ	DJ SEIJI, RHYMESTER	B♭ Minor	3A	113
6	FREEDOM FLIGHT	DJ SEIJI, B.I.G. JOE	A Minor	8A	92
7	CHECK MY ZONE	DJ SEIJI, HUNGER	B♭ Minor	3A	97
8	BETTER DAYS	DJ SEIJI, KEYCO, B.I.G. JOE	F♯ Major	2B	92
9	ORIGINAL FAKE	DJ SEIJI, Gocci	D Major	10B	79
10	YEAH !!! (Skit)	DJ SEIJI	B♭ Minor	3A	97
11	HEY DJ	DJ SEIJI, Hab I Scream	B Major	1B	99
12	REFUTATION	DJ SEIJI, MAD KOH	B♭ Minor	3A	97
13	UNITY	DJ SEIJI, NORTH SMOKE ING	B♭ Minor	3A	97
14	8:55	DJ SEIJI, TAKIO, YAS I AM	B Major	1B	91
15	NORTH LINE	DJ SEIJI, ELIAS	G Major	9B	94
16	ココロモヨウ	DJ SEIJI, DELI, B.I.G. JOE	A♭ Major	4B	96
17	WALK & TALK	DJ SEIJI, L-Vokal	B♭ Minor	3A	100
18	ESCORT	DJ SEIJI, MUTA, RUM HEAD, YAS I AM	D♭ Minor	12A	110