How many songs are in the album "Discipline" by Janet Jackson?

There are a total of 22 songs in "Discipline".

When was the album "Discipline" by Janet Jackson released?

"Discipline" was released on January 1, 2008.

#	Track	Artist	Key	Camelot	BPM
1	I.D. - Interlude	Janet Jackson	D Major	10B	99
2	Feedback	Janet Jackson	D♭ Minor	12A	115
3	LUV	Janet Jackson	D♭ Major	3B	152
4	Spinnin - Interlude	Janet Jackson	F Minor	4A	0
5	Rollercoaster	Janet Jackson	F♯ Minor	11A	100
6	Bathroom Break - Interlude	Janet Jackson	D Major	10B	108
7	Rock With U	Janet	C Major	8B	122
8	2nite	Janet Jackson	B Minor	10A	120
9	Can't B Good	Janet Jackson	D Major	10B	87
10	4 Words - Interlude	Janet Jackson	E Major	12B	0
11	Never Letchu Go	Janet Jackson	D♭ Major	3B	138
12	Truth Or Dare - Interlude	Janet Jackson	A♭ Minor	1A	125
13	Greatest X	Janet Jackson	D♭ Major	3B	114
14	Good Morning Janet - Interlude	Janet Jackson	D Major	10B	42
15	So Much Betta	Janet Jackson	F♯ Major	2B	110
16	Play Selection - Interlude	Janet Jackson	D♭ Major	3B	105
17	The 1	Janet Jackson, Missy Elliott	B♭ Minor	3A	107
18	What's Ur Name	Janet Jackson	D♭ Minor	12A	100
19	The Meaning - Interlude	Janet Jackson	F Major	7B	123
20	Discipline	Janet Jackson	D Minor	7A	146
21	Back - Interlude	Janet Jackson	F♯ Minor	11A	89
22	Curtains	Janet Jackson	F♯ Minor	11A	73