======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '248'
                                          'artist'  'Ani DiFranco'
                                     'text_people'  ''
                                         'release'  'Ani DiFranco'
                                           'title'  'Work Your Way Out'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'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-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '111'
                                             'key'  '10A'
                                        'acoustid'  'a5d629b1-aebb-406c-8150-3ecd064a5df0'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Ani DiFranco'
'TBPM' (BPM (beats per minute))                     '111'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDOR' (Original release time)                      '1990'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Work Your Way Out'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'Cassette'
'TPE1' (Lead performer(s)/Soloist(s))               'Ani DiFranco'
'TPE2' (Band/orchestra/accompaniment)               'Ani DiFranco'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Righteous Babe Records'
'TRCK' (Track number/Position in set)               '4/12'
'TSO2'                                              'DiFranco, Ani'
'TSOP' (Performer sort order)                       'DiFranco, Ani'
'TSRC' (ISRC (international standard recording code))  'USRB49000004'
'TXXX:ASIN'                                         'B0000631O1'
'TXXX:Acoustid Id'                                  'a5d629b1-aebb-406c-8150-3ecd064a5df0'
'TXXX:Artists'                                      'Ani DiFranco'
'TXXX:BARCODE'                                      '748731700140'
'TXXX:CATALOGNUMBER'                                'RTR-001-C'
'TXXX:MusicBrainz Album Artist Id'                  'a7bdc71f-697a-45d9-92b2-a01fbbe50272'
'TXXX:MusicBrainz Album Id'                         '2ee31ad3-0991-49a9-90d3-eb5e9cf2bf5d'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a7bdc71f-697a-45d9-92b2-a01fbbe50272'
'TXXX:MusicBrainz Release Group Id'                 '2f220c9c-9f5f-35dc-8c62-b9b48827032e'
'TXXX:MusicBrainz Release Track Id'                 '8a5f7f4c-9d1f-4f82-8957-df0aa2adb4a4'
'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'                                  ['rock', 'folk rock']
'TXXX:lastfmtags'                                   ['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:mood'                                         'Relaxed/Not aggressive/Not party/Not electronic/Not happy/Acoustic/Sad'
'TXXX:originalyear'                                 '1990'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.58 dB'
'TXXX:replaygain_track_peak'                        '0.836277'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'62afa0e8-6eb3-4350-8480-2f3a4e644c11')

========================== row from database ==========================
                                              'id'  1366551
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Ani DiFranco/MBZ;#Ani Difranco;#Ani DiFranco;#04;#Work Your Way Out.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  248
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  4005696
                                           'mtime'  1636401223
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos MBZ;#Ani Difranco;#Ani DiFranco;#04;#Work ifs songwriter eos
                                      'tag_artist'  Ani DiFranco
                                     'tag_release'  Ani DiFranco
                                       'tag_title'  Work Your Way Out
                                             'bpm'  111.0
                                    'search_title'  'out':4 'way':3 'work':1 'your':2
                                   'search_artist'  'ani':1 'di':3 'difranco':2 'franco':4
                                  'search_release'  'ani':1 'di':3 'difranco':2 'franco':4
                                     'search_rest'  '00singer':1 '00songwriter':4 '04':14,17,22,25 'ani':6,8,10,12 'di':20 'difranco':9,11,13,16 'eos':3 'franco':21,24 'ifs':19 'mbz':5,7 'songwriter':2 'work':15,18,23,26
                                    'search_combo'  '00singer':13 '00songwriter':16 '04':26,29,34,37 'ani':5B,9C,18,20,22,24 'di':7B,11C,32 'difranco':6B,10C,21,23,25,28 'eos':15 'franco':8B,12C,33,36 'ifs':31 'mbz':17,19 'out':4A 'songwriter':14 'way':3A 'work':1A,27,30,35,38 'your':2A
                                    'tag_tracknum'  4
                                      '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-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  1990
                                     'discogstags'  ['rock', 'folk rock']

============================== file details ==============================
                                           'mtime'  1636401223.4401858  (2021-11-08 20:53:43)
                             'size'  4005696