How many songs are in the album "Again" by Song Ga In?

There are a total of 21 songs in "Again".

When was the album "Again" by Song Ga In released?

"Again" was released on November 4, 2019.

#	Track	Artist	Key	Camelot	BPM
1	엄마아리랑	Song Ga In	A Minor	8A	178
2	The Goodbye Train	Song Ga In	E Minor	9A	124
3	Moon of Seoul	Song Ga In	E♭ Major	5B	130
4	Ga-in	Song Ga In	F Minor	4A	134
5	Let's fall in love	Song Ga In	A♭ Major	4B	106
6	I love mom	Song Ga In	E Minor	9A	124
7	엄마아리랑 - Ballad Version	Song Ga In	E Minor	9A	124
8	The Goodbye Train - K-Trot Version	Song Ga In	E Minor	9A	124
9	무명배우	Song Ga In	D♭ Minor	12A	132
10	단장의 미아리 고개	Song Ga In	E Minor	9A	124
11	영동 블루스	Song Ga In	E Minor	9A	124
12	용두산 엘레지	Song Ga In	G Minor	6A	113
13	한 많은 대동강	Song Ga In	A Minor	8A	128
14	엄마아리랑 - Instrumental	Song Ga In	E Minor	9A	124
15	The Goodbye Train - Instrumental	Song Ga In	E Minor	9A	124
16	Moon of Seoul - Instrumental	Song Ga In	E Minor	9A	124
17	Ga-in - Instrumental	Song Ga In	E Minor	9A	124
18	Let's fall in love - Instrumental	Song Ga In	E Minor	9A	124
19	I love mom - Instrumental	Song Ga In	E Minor	9A	124
20	엄마아리랑 - Instrumental Ballad Version	Song Ga In	E Minor	9A	124
21	The Goodbye Train - Instrumental K-Trot Version	Song Ga In	E Minor	9A	124