======================== unified (from filesystem) ========================
                                         'bitrate'  '189.795'
                                        'duration'  '179'
                                          'artist'  'Laura Veirs'
                                     'text_people'  ''
                                         'release'  'Laura Veirs'
                                           'title'  "Outside Bud's Jazz Records"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
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 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['indie', 'acoustic', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '13'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '144.028'
                                             'key'  '10A'
                                        'acoustid'  '4ddc57e1-be56-4557-bb07-df04c6af921c'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000B6D 00000B9E 00003A0D'
'COMM:iTunNORM:eng'                                 (' 00000B6D 00000B9E 00003A0D 00005020 00009BE9 00009C17 00007E4F 00007A5C '
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'TALB' (Album/Movie/Show title)                     'Laura Veirs'
'TBPM' (BPM (beats per minute))                     '144.028'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'LAME v.3.90.3 Modified'
'TIT2' (Title/songname/content description)         "Outside Bud's Jazz Records"
'TKEY' (Initial key)                                '10A'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Laura Veirs'
'TPE2' (Band/orchestra/accompaniment)               'Laura Veirs'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Raven Marching Band Records'
'TRCK' (Track number/Position in set)               '7/13'
'TSO2'                                              'Veirs, Laura'
'TSOP' (Performer sort order)                       'Veirs, Laura'
'TXXX:Acoustid Id'                                  '4ddc57e1-be56-4557-bb07-df04c6af921c'
'TXXX:Artists'                                      'Laura Veirs'
'TXXX:CATALOGNUMBER'                                'RMB001'
'TXXX:MusicBrainz Album Artist Id'                  '8951c87f-f730-4247-b442-52ed14ad6a97'
'TXXX:MusicBrainz Album Id'                         '004a849b-636c-40ab-9615-650ac1ce5043'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8951c87f-f730-4247-b442-52ed14ad6a97'
'TXXX:MusicBrainz Release Group Id'                 '2da26bd3-24ef-3a89-ae73-92ed636f16b9'
'TXXX:MusicBrainz Release Track Id'                 '0e1fe068-a63f-3265-b484-893428491e8a'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.27 dB'
'TXXX:replaygain_track_peak'                        '0.358395'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9bae61b2-673b-4138-ab09-ec226e1e0d27')

========================== row from database ==========================
                                              'id'  1500598
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Laura Veirs/1999 - Laura Veirs/07 Outside Bud_s Jazz Records.mp3
                                         'working'  None
                                         'bitrate'  189
                                    'duration_sec'  179
                                           'genre'  ifs-songwriter
                                        'filesize'  4359556
                                           'mtime'  1628357437
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1999 07 Bud_s ifs songwriter
                                      'tag_artist'  Laura Veirs
                                     'tag_release'  Laura Veirs
                                       'tag_title'  Outside Bud's Jazz Records
                                             'bpm'  144.028
                                    'search_title'  'bud':2 'buds':4 'jazz':5 'outside':1 'records':6 's':3
                                   'search_artist'  'laura':1 'veirs':2
                                  'search_release'  'laura':1 'veirs':2
                                     'search_rest'  '00singer':1 '1999':4 'bud':5 'eos':3 'ifs':7 's':6 'songwriter':2
                                    'search_combo'  '00singer':11 '1999':14 'bud':2A,15 'buds':4A 'eos':13 'ifs':17 'jazz':5A 'laura':7B,9C 'outside':1A 'records':6A 's':3A,16 'songwriter':12 'veirs':8B,10C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  1999
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1628357436.6716504  (2021-08-07 19:30:36)
                             'size'  4359556