1METADATA block #0
2  type: 0 (STREAMINFO)
3  is last: false
4  length: XXX
5  sample_rate: 44100 Hz
6  channels: 2
7  bits-per-sample: 16
8  total samples: 5880
9  MD5 signature: 74ffd4737eb5488d512be4af58943362
10METADATA block #1
11  type: 3 (SEEKTABLE)
12  is last: false
13  length: XXX
14  seek points: 1
15    point 0: sample_number=0
16METADATA block #2
17  type: 4 (VORBIS_COMMENT)
18  is last: false
19  length: XXX
20  comments: 6
21    comment[0]: REPLAYGAIN_TRACK_PEAK=0.99996948
22    comment[1]: REPLAYGAIN_TRACK_GAIN=-7.89 dB
23    comment[2]: REPLAYGAIN_ALBUM_PEAK=0.99996948
24    comment[3]: REPLAYGAIN_ALBUM_GAIN=-7.89 dB
25    comment[4]: artist=1
26    comment[5]: title=2
27METADATA block #3
28  type: 2 (APPLICATION)
29  is last: true
30  length: XXX
31  application ID: 66616b65
32  data contents:
33