======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '461'
                                          'artist'  'Celldweller'
                                     'text_people'  ''
                                         'release'  'Celldweller'
                                           'title'  'The Last Firstborn'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['industrial metal', 'industrial', 'industrial rock', 'rock', 'electronic', "
 "'fistkrankping']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '19'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-industrial'
                                             'bpm'  '134'
                                             'key'  '3A'
                                        'acoustid'  '07b7399b-79b2-4ab9-80fc-9f3f9f3957e1'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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')
'TALB' (Album/Movie/Show title)                     'Celldweller'
'TBPM' (BPM (beats per minute))                     '134'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2013-06-10'
'TIT2' (Title/songname/content description)         'The Last Firstborn'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Celldweller'
'TPE2' (Band/orchestra/accompaniment)               'Celldweller'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'FiXT Music'
'TRCK' (Track number/Position in set)               '4/19'
'TSO2'                                              'Celldweller'
'TSOP' (Performer sort order)                       'Celldweller'
'TXXX:Acoustid Id'                                  '07b7399b-79b2-4ab9-80fc-9f3f9f3957e1'
'TXXX:Artists'                                      'Celldweller'
'TXXX:MusicBrainz Album Artist Id'                  'fad8967c-a327-4af5-a64a-d4de66ece652'
'TXXX:MusicBrainz Album Id'                         'ab8ae65f-cdd9-49f8-8da8-b67ed2fba5c3'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'fad8967c-a327-4af5-a64a-d4de66ece652'
'TXXX:MusicBrainz Release Group Id'                 'bd4c9c7f-c4a0-37f3-b97f-7865bd64f5a1'
'TXXX:MusicBrainz Release Track Id'                 'e4f53e21-ecde-4239-8132-8912c083712d'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['industrial metal',
 'industrial',
 'industrial rock',
 'rock',
 'electronic',
 'fistkrankping']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.84 dB'
'TXXX:replaygain_track_peak'                        '0.414417'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ea0530ec-97bb-4426-a934-e2316492f5e5')

========================== row from database ==========================
                                              'id'  1252686
                                            'path'  /data/Music/Bulk/00dwimp/Celldweller/Celldweller/04-celldweller-the_last_firstborn-fnt.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  461
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  11161130
                                           'mtime'  1620298346
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 04 celldweller the_last_firstborn fnt eid ebm industrial darkwave industrial
                                      'tag_artist'  Celldweller
                                     'tag_release'  Celldweller
                                       'tag_title'  The Last Firstborn
                                             'bpm'  134.0
                                    'search_title'  'firstborn':3 'last':2 'the':1
                                   'search_artist'  'celldweller':1
                                  'search_release'  'celldweller':1
                                     'search_rest'  '00dwimp':1 'celldweller':2 'darkwave':10 'ebm':8 'eid':7 'firstborn':5 'fnt':6 'industrial':9 'last':4 'the':3
                                    'search_combo'  '00dwimp':6 'celldweller':4B,5C,7 'darkwave':15 'ebm':13 'eid':12 'firstborn':3A,10 'fnt':11 'industrial':14 'last':2A,9 'the':1A,8
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  3A
                                           '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-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial metal', 'industrial', 'industrial rock', 'rock', 'electronic', 'fistkrankping']
                                        'tag_date'  2013
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620298346.3499215  (2021-05-06 12:52:26)
                             'size'  11161130