How many songs are in the album "HP Mixtape Vol. 4" by Battle C.A.T.S.?

There are a total of 19 songs in "HP Mixtape Vol. 4".

When was the album "HP Mixtape Vol. 4" by Battle C.A.T.S. released?

"HP Mixtape Vol. 4" was released on January 31, 2009.

#	Track	Artist	Key	Camelot	BPM
1	HP Welcome	Battle C.A.T.S.	F♯ Minor	11A	82
2	Introduction	Battle C.A.T.S., Supreme Euphony, G.I. Magus, I.N.O.V.I.A.	C Major	8B	178
3	It's The Real	Battle C.A.T.S., I.N.O.V.I.A., Supreme Euphony, G.I. Magus	D♭ Major	3B	174
4	Skate	Battle C.A.T.S., I.N.O.V.I.A., G.I. Magus	A Minor	8A	85
5	Where I Stay	Battle C.A.T.S., I.N.O.V.I.A., Supreme Euphony, G.I. Magus	A♭ Major	4B	164
6	Keep Clappin'	Battle C.A.T.S., G.I. Magus	D Major	10B	183
7	Wreck Shop	Battle C.A.T.S., G.I. Magus	F♯ Minor	11A	82
8	Bang It	Battle C.A.T.S., I.N.O.V.I.A., G.I. Magus	F Minor	4A	92
9	Life is Hard	Battle C.A.T.S., I.N.O.V.I.A., TJ Dubb	D♭ Major	3B	174
10	Keep Movin'	Battle C.A.T.S., G.I. Magus, Rico, Supreme Euphony	F♯ Major	2B	115
11	Shine On	Battle C.A.T.S., I.N.O.V.I.A.	B Minor	10A	90
12	Mr. Rogers	Battle C.A.T.S., I.N.O.V.I.A.	B Minor	10A	91
13	Steps	Battle C.A.T.S., I.N.O.V.I.A., Supreme Euphony, G.I. Magus, Rico, TJ Dubb	A Minor	8A	80
14	What's Next	Battle C.A.T.S., G.I. Magus	D Major	10B	183
15	What's Next Remix	Battle C.A.T.S., Supreme Euphony, I.N.O.V.I.A., Sedeq Ekstasis	A Minor	8A	93
16	Vent	Battle C.A.T.S., I.N.O.V.I.A.	D♭ Minor	12A	101
17	Another Love Song	Battle C.A.T.S., Supreme Euphony, Rico, Toya FoyaSoul	A♭ Major	4B	90
18	Bye Bye	Battle C.A.T.S., I.N.O.V.I.A., Rico	A Major	11B	82
19	Bye Bye Outro	Battle C.A.T.S.	F♯ Minor	11A	82