======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '238'
                                          'artist'  'Skinlab'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'I name my pain'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-4', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metalcore', 'hardcore', 'thrash metal', 'metal', 'groove metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'eid-metal-trash'
                                             'bpm'  '145.267'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x000\x00+\x009\x006\x00+\x00C\x004\x000\x00+\x004\x00F\x005\x00B\x00+\x008\x007\x00D\x004\x00+\x00C\x00F\x001\x000\x00+\x001\x001\x000\x000\x004\x00+\x001\x006\x008\x005\x001\x00+\x001\x00A\x006\x003\x00D\x00+\x001\x00F\x00E\x00E\x004\x00+\x002\x002\x004\x006\x002\x00+\x002\x008\x00F\x005\x00F\x00+\x002\x00D\x004\x00D\x00B\x00+\x003\x001\x009\x00B\x004\x00+\x003\x006\x00B\x001\x00F\x00+\x003\x00B\x001\x002\x008\x00+\x003\x00E\x006\x00E\x00D\x00+\x004\x003\x008\x000\x004\x00\x00\x00')
'PRIV:AverageLevel:{\x17\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x17\x00\x00')
'PRIV:PeakValue:!q\x00\x00'                         PRIV(owner='PeakValue', data=b'!q\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '145.267'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-trash'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'I name my pain'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '239053'
'TPE1' (Lead performer(s)/Soloist(s))               'Skinlab'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['metalcore', 'hardcore', 'thrash metal', 'metal', 'groove metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.34 dB'
'TXXX:replaygain_track_peak'                        '0.530420'

========================== row from database ==========================
                                              'id'  1392327
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Skinlab/Disembody - The New Flesh (1999) incomplete/06 I name my pain.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  238
                                           'genre'  eid-metal-trash
                                        'filesize'  9557996
                                           'mtime'  1620311625
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Disembody The New Flesh (1999) incomplete 06 eid metal trash
                                      'tag_artist'  Skinlab
                                     'tag_release'  None
                                       'tag_title'  I name my pain
                                             'bpm'  145.267
                                    'search_title'  'i':1 'my':3 'name':2 'pain':4
                                   'search_artist'  'skinlab':1
                                  'search_release'  
                                     'search_rest'  '00dwimp':1 '00metal':2 '1999':7,8 'disembody':3 'eid':10 'flesh':6 'incomplete':9 'metal':11 'new':5 'the':4 'trash':12
                                    'search_combo'  '00dwimp':6 '00metal':7 '1999':12,13 'disembody':8 'eid':15 'flesh':11 'i':1A 'incomplete':14 'metal':16 'my':3A 'name':2A 'new':10 'pain':4A 'skinlab':5B 'the':9 'trash':17
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['metalcore', 'hardcore', 'thrash metal', 'metal', 'groove metal']
                                        'tag_date'  1999
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311624.9914644  (2021-05-06 16:33:44)
                             'size'  9557996