How many songs are in the album "Hardwell On Air - Best Of April 2015" by Hardwell?

There are a total of 23 songs in "Hardwell On Air - Best Of April 2015".

When was the album "Hardwell On Air - Best Of April 2015" by Hardwell released?

"Hardwell On Air - Best Of April 2015" was released on April 30, 2015.

#	Track	Artist	Key	Camelot	BPM
1	Hardwell On Air [Mix Cut] - Intro	Hardwell	C Minor	5A	128
2	Freeze Time [Mix Cut] - Original Mix	Manse, Alice Berg	F Major	7B	128
3	Don't Give Up [Mix Cut] - Original Mix	Kill The Buzz, David Spekter	C Minor	5A	128
4	Love I Feel [Mix Cut] - Original Mix	Promise Land	G Minor	6A	128
5	Fonk [Mix Cut] - Original Mix	Dannic	A♭ Major	4B	128
6	Gaia [Mix Cut] - Magnificence Edit	Futuristic Polar Bears, Wayne & Woods	A Minor	8A	128
7	Disco Nights [Mix Cut] - Original Mix	Jordy Dazz	F♯ Minor	11A	128
8	WRLD [Mix Cut] - Original Mix	Kirill Slepuha	F♯ Major	2B	128
9	Throw Your Hearts Up [Mix Cut] - Original Mix	Juicy Trax, C. Todd Nielsen	G Minor	6A	128
10	Cell [Mix Cut] - Original Mix	Julian Calor	E♭ Minor	2A	128
11	Arctic [Mix Cut] - Original Mix	Row Rocka	F Major	7B	128
12	That Drop [Mix Cut] - Original Mix	FTampa	A♭ Major	4B	128
13	The Harder They Fall [Mix Cut] - Original Mix	Joey Dale	F♯ Major	2B	128
14	The Hound [Mix Cut] - Original Mix	Sam O Neall, Conro	B♭ Minor	3A	128
15	Scream [Mix Cut] - Original Mix	Bass Kleph	C Major	8B	128
16	Haunted House [Mix Cut] - Original Mix	Joey Dale	G Major	9B	128
17	FTW [Mix Cut] - Original Mix	Halfway House	C Major	8B	128
18	Snake [Mix Cut] - Original Mix	Krimsonn	F♯ Major	2B	128
19	Yalem [Mix Cut] - Original Mix	JETFIRE, Authentix	G Major	9B	128
20	Signs [Mix Cut] - Original Mix	Julian Calor	D Major	10B	128
21	The Bull [Mix Cut] - Original Mix	Shanahan	G Major	9B	128
22	Forever Young [Mix Cut] - Bobby Rock Remix	Sam O Neall	D Major	10B	130
23	Beautiful World [Mix Cut] - D-Block & S-te-Fan Remix	Blasterjaxx & DBSTF	F Minor	4A	150