======================== unified (from filesystem) ========================
                                         'bitrate'  '222.698'
                                        'duration'  '101'
                                          'artist'  'Celldweller'
                                     'text_people'  ''
                                         'release'  'Soundtrack for the Voices in My Head Vol. 1'
                                           'title'  'URSA Minor (Non-Atomic Mix)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  ("['industrial metal', 'industrial', 'industrial rock', 'rock', 'electronic', "
 "'fistkrankping']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-industrial'
                                             'bpm'  '129.646'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'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:http://www.cdtag.com:\x02\x00Þ\x0f9\x00'      PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xde\x0f9\x00')
'TALB' (Album/Movie/Show title)                     'Soundtrack for the Voices in My Head Vol. 1'
'TBPM' (BPM (beats per minute))                     '129.646'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TDRC' (Recording time)                             '2008-12-18'
'TIT2' (Title/songname/content description)         'URSA Minor (Non-Atomic Mix)'
'TKEY' (Initial key)                                '7A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Celldweller'
'TPUB' (Publisher)                                  'FIXT'
'TRCK' (Track number/Position in set)               '19'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 3.97 -V2 --vbr-new'
'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:Release type'                                 'Undefined'
'TXXX:Rip date'                                     '2008-12-18'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['industrial metal',
 'industrial',
 'industrial rock',
 'rock',
 'electronic',
 'fistkrankping']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.51 dB'
'TXXX:replaygain_track_peak'                        '0.387512'

========================== row from database ==========================
                                              'id'  1258954
                                            'path'  /data/Music/Bulk/00dwimp/Celldweller/Soundtrack for the Voices in My Head Vol.1/19-celldweller-ursa_minor_(non-atomic_mix).mp3
                                         'working'  None
                                         'bitrate'  222
                                    'duration_sec'  101
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  2836641
                                           'mtime'  1620298374
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Vol.1 19 celldweller ursa_minor_(non atomic_mix) eid ebm industrial darkwave industrial
                                      'tag_artist'  Celldweller
                                     'tag_release'  Soundtrack for the Voices in My Head Vol. 1
                                       'tag_title'  URSA Minor (Non-Atomic Mix)
                                             'bpm'  129.646
                                    'search_title'  'atomic':4 'minor':2 'mix':6,7 'non':3 'nonatomic':5 'ursa':1
                                   'search_artist'  'celldweller':1
                                  'search_release'  '1':10 'for':2 'head':7 'in':5 'my':6 'soundtrack':1 'the':3 'voices':4 'vol':8,9
                                     'search_rest'  '00dwimp':1 '1':3 '19':5 'atomic':13,15 'celldweller':6 'darkwave':20 'ebm':18 'eid':17 'industrial':19 'minor':8,11 'mix':14,16 'non':9,12 'ursa':7,10 'vol':2 'vol1':4
                                    'search_combo'  '00dwimp':19 '1':18C,21 '19':23 'atomic':4A,31,33 'celldweller':8B,24 'darkwave':38 'ebm':36 'eid':35 'for':10C 'head':15C 'in':13C 'industrial':37 'minor':2A,26,29 'mix':6A,7A,32,34 'my':14C 'non':3A,27,30 'nonatomic':5A 'soundtrack':9C 'the':11C 'ursa':1A,25,28 'voices':12C 'vol':16C,17C,20 'vol1':22
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['industrial metal', 'industrial', 'industrial rock', 'rock', 'electronic', 'fistkrankping']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620298374.2142353  (2021-05-06 12:52:54)
                             'size'  2836641