======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '148'
                                          'artist'  'Carpathian Forest'
                                     'text_people'  ''
                                         'release'  'Through Chasm, Caves and Titan Woods'
                                           'title'  'Carpathian Forest'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['norwegian', 'true norwegian black metal', 'black metal', 'metal', "
 "'norwegian black metal']")
                                     'discogstags'  "['black metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '5'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '112.196'
                                             'key'  '9A'
                                        'acoustid'  'afeacf93-4c01-48aa-8d20-e1518c15c05e'
rest: ''

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

'PRIV:AverageLevel:\x04\x0b\x00\x00'                PRIV(owner='AverageLevel', data=b'\x04\x0b\x00\x00')
'PRIV:PeakValue:êL\x00\x00'                         PRIV(owner='PeakValue', data=b'\xeaL\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')
'TALB' (Album/Movie/Show title)                     'Through Chasm, Caves and Titan Woods'
'TBPM' (BPM (beats per minute))                     '112.196'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Carpathian Forest'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Carpathian Forest'
'TPE2' (Band/orchestra/accompaniment)               'Carpathian Forest'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Peaceville'
'TRCK' (Track number/Position in set)               '1/5'
'TSO2'                                              'Carpathian Forest'
'TSOP' (Performer sort order)                       'Carpathian Forest'
'TXXX:ASIN'                                         'B00116GDK8'
'TXXX:Acoustid Id'                                  'afeacf93-4c01-48aa-8d20-e1518c15c05e'
'TXXX:BARCODE'                                      '801056719720'
'TXXX:CATALOGNUMBER'                                'CDVILED197'
'TXXX:MusicBrainz Album Artist Id'                  '69fa5c49-12ec-4c86-a238-4e07cc6d1a7d'
'TXXX:MusicBrainz Album Id'                         '9fc4b9e5-b731-3511-acf8-01b3875e0d4f'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        '69fa5c49-12ec-4c86-a238-4e07cc6d1a7d'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['black metal', 'rock']
'TXXX:lastfmtags'                                   ['norwegian',
 'true norwegian black metal',
 'black metal',
 'metal',
 'norwegian black metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.36 dB'
'TXXX:replaygain_track_peak'                        '0.600910'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7ff403e4-1b51-4271-9f6e-5cdc72437a77')

========================== row from database ==========================
                                              'id'  1401750
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Carpathian Forest/Black shining leather/12 - Carpathian Forest.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  148
                                           'genre'  eid-metal-black
                                        'filesize'  3568915
                                           'mtime'  1620301436
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Black shining leather 12 eid metal black
                                      'tag_artist'  Carpathian Forest
                                     'tag_release'  Through Chasm, Caves and Titan Woods
                                       'tag_title'  Carpathian Forest
                                             'bpm'  112.196
                                    'search_title'  'carpathian':1 'forest':2
                                   'search_artist'  'carpathian':1 'forest':2
                                  'search_release'  'and':5 'caves':4 'chasm':2,3 'through':1 'titan':6 'woods':7
                                     'search_rest'  '00dwimp':1 '00metal':2 'black':3 'eid':6 'leather':5 'metal':7 'shining':4
                                    'search_combo'  '00dwimp':12 '00metal':13 'and':9C 'black':14 'carpathian':1A,3B 'caves':8C 'chasm':6C,7C 'eid':17 'forest':2A,4B 'leather':16 'metal':18 'shining':15 'through':5C 'titan':10C 'woods':11C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['norwegian', 'true norwegian black metal', 'black metal', 'metal', 'norwegian black metal']
                                        'tag_date'  2008
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301435.7545834  (2021-05-06 13:43:55)
                             'size'  3568915