======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '533'
                                          'artist'  'Titus Andronicus'
                                     'text_people'  ''
                                         'release'  'The Monitor'
                                           'title'  'A Pot In Which To Piss'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'lo fi', 'punk', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '10'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '138.134'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '5'
'COMM:iTunNORM:eng'                                 (' 00001678 0000209E 00007D22 0000C8C6 0006D88D 0006D80A 00008588 00008770 '
 '0002851A 00026DA1')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000AF8 0000000001674378 00000000 00C37801 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '7D0F590A+294877+10+150+32369+41011+64745+87765+127807+166725+189367+220908+231731'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '5'
'TALB' (Album/Movie/Show title)                     'The Monitor'
'TBPM' (BPM (beats per minute))                     '138.134'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'iTunes 9.0.2'
'TIT2' (Title/songname/content description)         'A Pot In Which To Piss'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Titus Andronicus'
'TPE2' (Band/orchestra/accompaniment)               'Titus Andronicus'
'TRCK' (Track number/Position in set)               '5/10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'lo fi', 'punk', 'indie rock', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.56 dB'
'TXXX:replaygain_track_peak'                        '0.379558'

========================== row from database ==========================
                                              'id'  1254126
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Titus Andronicus/The Monitor/05 - a pot in which to piss.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  533
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  12844561
                                           'mtime'  1642256587
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 05 a pot in which piss ifs songwriter indie unsorted
                                      'tag_artist'  Titus Andronicus
                                     'tag_release'  The Monitor
                                       'tag_title'  A Pot In Which To Piss
                                             'bpm'  138.134
                                    'search_title'  'a':1 'in':3 'piss':6 'pot':2 'to':5 'which':4
                                   'search_artist'  'andronicus':2 'titus':1
                                  'search_release'  'monitor':2 'the':1
                                     'search_rest'  '00singer':1 'a':4 'eos':3 'ifs':9 'in':6 'indie':10 'piss':8 'pot':5 'songwriter':2 'unsorted':11 'which':7
                                    'search_combo'  '00singer':11 'a':1A,14 'andronicus':8B 'eos':13 'ifs':19 'in':3A,16 'indie':20 'monitor':10C 'piss':6A,18 'pot':2A,15 'songwriter':12 'the':9C 'titus':7B 'to':5A 'unsorted':21 'which':4A,17
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['indie', 'lo fi', 'punk', 'indie rock', 'rock']
                                        'tag_date'  2010
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1642256586.6724012  (2022-01-15 15:23:06)
                             'size'  12844561