======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '177'
                                          'artist'  'Ani DiFranco'
                                     'text_people'  ''
                                         'release'  'Ani DiFranco'
                                           'title'  'Dog Coffee'
                                           '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-4', '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'  '5'
                                      'tracktotal'  '12'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '111'
                                             'key'  '7A'
                                        'acoustid'  '88b7f70e-666f-4008-8ab4-4cf76b555469'
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)         'Dog Coffee'
'TKEY' (Initial key)                                '7A'
'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)               '5/12'
'TSO2'                                              'DiFranco, Ani'
'TSOP' (Performer sort order)                       'DiFranco, Ani'
'TSRC' (ISRC (international standard recording code))  'USRB49000005'
'TXXX:ASIN'                                         'B0000631O1'
'TXXX:Acoustid Id'                                  '88b7f70e-666f-4008-8ab4-4cf76b555469'
'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'                 '202f93b4-d674-4929-a3cf-21a300d5444b'
'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/Electronic/Not happy/Not 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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+4.85 dB'
'TXXX:replaygain_track_peak'                        '0.939487'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ec75a20d-3516-45e7-a16a-69e579e475bb')

========================== row from database ==========================
                                              'id'  1372443
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Ani DiFranco/MBZ;#Ani Difranco;#Ani Difranco;#05;#Dog Coffee.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  177
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  2863011
                                           'mtime'  1636401224
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos MBZ;#Ani Difranco;#Ani Difranco;#05;#Dog ifs songwriter eos
                                      'tag_artist'  Ani DiFranco
                                     'tag_release'  Ani DiFranco
                                       'tag_title'  Dog Coffee
                                             'bpm'  111.0
                                    'search_title'  'coffee':2 'dog':1
                                   '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 '05':14,17 'ani':6,8,10,12 'difranco':9,11,13,16 'dog':15,18 'eos':3 'ifs':19 'mbz':5,7 'songwriter':2
                                    'search_combo'  '00singer':11 '00songwriter':14 '05':24,27 'ani':3B,7C,16,18,20,22 'coffee':2A 'di':5B,9C 'difranco':4B,8C,19,21,23,26 'dog':1A,25,28 'eos':13 'franco':6B,10C 'ifs':29 'mbz':15,17 'songwriter':12
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  7A
                                           '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-4', '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'  1636401223.642552  (2021-11-08 20:53:43)
                             'size'  2863011