How many songs are in the album "Sleep Time Piano" by Relax α Wave?

There are a total of 20 songs in "Sleep Time Piano".

When was the album "Sleep Time Piano" by Relax α Wave released?

"Sleep Time Piano" was released on August 16, 2018.

#	Track	Artist	Key	Camelot	BPM
1	Beats for Bedtime	Relax α Wave	F Major	7B	67
2	Soundtrack for Sleep	Relax α Wave	F Major	7B	67
3	Percussion on the Pillow	Relax α Wave	F Major	7B	67
4	Duvet Dance	Relax α Wave	D Minor	7A	100
5	Pj Performance	Relax α Wave	F Major	7B	67
6	A Night Aria	Relax α Wave	F Major	7B	67
7	Off to Zee Land	Relax α Wave	F Major	7B	67
8	Dance of the Sandmen	Relax α Wave	F Major	7B	67
9	Ease Them Shut	Relax α Wave	F Major	7B	67
10	Song for My Siesta	Relax α Wave	F Major	7B	67
11	Sleepover	Relax α Wave	F Major	7B	67
12	No Alarm Tomorrow	Relax α Wave	F Major	7B	67
13	Do Jazzmen Count Sleep?	Relax α Wave	F Major	7B	67
14	Drifting Away on a Tune	Relax α Wave	F Major	7B	67
15	Tinkling in My Sleep	Relax α Wave	F Major	7B	67
16	Musical Elixier	Relax α Wave	F Major	7B	67
17	No Pills Here	Relax α Wave	F Major	7B	67
18	Sleep the Night Away	Relax α Wave	F Major	7B	67
19	Jazz in My Minds Eye	Relax α Wave	F Major	7B	67
20	Duke's Dreaming	Relax α Wave	F Major	7B	67