How many songs are in the album "Mega Hits of Unnikrishnan, Vol. 2" by Unnikrishnan?

There are a total of 20 songs in "Mega Hits of Unnikrishnan, Vol. 2".

When was the album "Mega Hits of Unnikrishnan, Vol. 2" by Unnikrishnan released?

"Mega Hits of Unnikrishnan, Vol. 2" was released on June 18, 2013.

#	Track	Artist	Key	Camelot	BPM
1	Thirumba Thirumba (From "Paarvai Ondre Podhume")	Unnikrishnan, Harini	C Minor	5A	90
2	Nenjodu (From "Kadhal Kondaen")	Unnikrishnan, Sujatha	F♯ Major	2B	113
3	Paarkadha Podhu Podhu (From "Kadhal Azhivathilai")	Unnikrishnan, Silambarasan TR	F Minor	4A	99
4	Theendi Theendi (From "Bala")	Unnikrishnan, Sujatha	F Minor	4A	94
5	Kaadhalaagi Kaadhalaagi (From "King")	Unnikrishnan, Sujatha	E Minor	9A	174
6	Taj Mahal (From "Banda Paramasivam")	Unnikrishnan, Sujatha	C Major	8B	105
7	Chinna Chinna (From "Ramachandra")	Unnikrishnan, Sujatha	F Major	7B	101
8	Yeh Asainthadum (From "Paarvai Ondre Podhume")	Unnikrishnan, S. Janaki	F♯ Major	2B	110
9	Unakenna (From "Uyirosai")	Unnikrishnan, Malathi	G Minor	6A	105
10	Orayiram (From "Nandhaa")	Unnikrishnan	D♭ Major	3B	111
11	Irumanam Sernthu (From "Enge Enathu Kavithai")	Unnikrishnan	C Major	8B	100
12	Orumurai Nee (From "Muthamidalama")	Unnikrishnan, SAC	B♭ Minor	3A	100
13	Minnal Mannil (From "Iravu Paadagan")	Unnikrishnan	A Minor	8A	78
14	Silver Nilavae (From "Lovely")	Unnikrishnan, Anuradha Sriram	D♭ Minor	12A	98
15	Om Sivaya Nama (From "Om Sivamae")	Unnikrishnan	F Minor	4A	87
16	Pattu Jarikai (From "Manasthan")	Unnikrishnan	D Major	10B	133
17	Naam Vayadhukkum (From "7/G Rainbow Colony")	Unnikrishnan, Yuvan Shankar Raja	A♭ Major	4B	95
18	Kola Kolayaa (From "Naai Kutty")	Unnikrishnan, Roshini	C Major	8B	123
19	Alai Aliyai (From "Ladies & Gentlemen")	Unnikrishnan, Harini	F♯ Minor	11A	180
20	Anandhanthan (From "Nearupoo")	Unnikrishnan, Swarnalatha	D Minor	7A	128