======================== unified (from filesystem) ========================
                                         'bitrate'  '196.255'
                                        'duration'  '183'
                                          'artist'  'Laura Veirs'
                                     'text_people'  ''
                                         'release'  'Laura Veirs'
                                           'title'  'Star Panties'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '13'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '143.925'
                                             'key'  '10A'
                                        'acoustid'  '3c976f44-9360-4378-8994-82afe9335375'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000003FB 000002F5 00001841'
'COMM:iTunNORM:eng'                                 (' 000003FB 000002F5 00001841 00001A06 00022039 00022039 00006E17 000060B2 '
 '0002944E 00022067')
'TALB' (Album/Movie/Show title)                     'Laura Veirs'
'TBPM' (BPM (beats per minute))                     '143.925'
'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)         'Star Panties'
'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)               '12/13'
'TSO2'                                              'Veirs, Laura'
'TSOP' (Performer sort order)                       'Veirs, Laura'
'TXXX:Acoustid Id'                                  '3c976f44-9360-4378-8994-82afe9335375'
'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'                 'b6c14317-235b-3b99-a0cb-060a8885ac2a'
'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'                        '+0.75 dB'
'TXXX:replaygain_track_peak'                        '0.358239'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9b5611ae-38b7-49b2-9658-1723f53ba623')

========================== row from database ==========================
                                              'id'  843187
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Laura Veirs/1999 - Laura Veirs/12 Star Panties.mp3
                                         'working'  None
                                         'bitrate'  196
                                    'duration_sec'  183
                                           'genre'  ifs-songwriter
                                        'filesize'  4611747
                                           'mtime'  1628357437
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1999 12 ifs songwriter
                                      'tag_artist'  Laura Veirs
                                     'tag_release'  Laura Veirs
                                       'tag_title'  Star Panties
                                             'bpm'  143.925
                                    'search_title'  'panties':2 'star':1
                                   'search_artist'  'laura':1 'veirs':2
                                  'search_release'  'laura':1 'veirs':2
                                     'search_rest'  '00singer':1 '1999':4 'eos':3 'ifs':5 'songwriter':2
                                    'search_combo'  '00singer':7 '1999':10 'eos':9 'ifs':11 'laura':3B,5C 'panties':2A 'songwriter':8 'star':1A 'veirs':4B,6C
                                    'tag_tracknum'  12
                                      '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'  1628357436.7935686  (2021-08-07 19:30:36)
                             'size'  4611747