======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '239'
                                          'artist'  'Tom Waits'
                                     'text_people'  ''
                                         'release'  'Nighthawks at the Diner'
                                           'title'  'Better Off Without a Wife'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-1', 'q-vocals-4', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '18'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '95.709'
                                             'key'  '3B'
                                        'acoustid'  'ff31e080-f0a6-4ee8-be03-a426c0628e88'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Nighthawks at the Diner'
'TBPM' (BPM (beats per minute))                     '95.709'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDOR' (Original release time)                      '1975'
'TDRC' (Recording time)                             '1989'
'TFLT' (File type)                                  '/3'
'TIT2' (Title/songname/content description)         'Better Off Without a Wife'
'TKEY' (Initial key)                                '3B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Waits'
'TPE2' (Band/orchestra/accompaniment)               'Tom Waits'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Asylum Records'
'TRCK' (Track number/Position in set)               '8/18'
'TSO2'                                              'Waits, Tom'
'TSOP' (Performer sort order)                       'Waits, Tom'
'TSRC' (ISRC (international standard recording code))  'USEE19900053'
'TXXX:ASIN'                                         'B000002GYG'
'TXXX:Acoustid Id'                                  'ff31e080-f0a6-4ee8-be03-a426c0628e88'
'TXXX:BARCODE'                                      '075596062022'
'TXXX:CATALOGNUMBER'                                '2008-2'
'TXXX:MusicBrainz Album Artist Id'                  'c3aeb863-7b26-4388-94e8-5a240f2be21b'
'TXXX:MusicBrainz Album Id'                         'b7b3fba3-e9b2-3f55-8a3f-2b35e1e1b7c8'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        'c3aeb863-7b26-4388-94e8-5a240f2be21b'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.93 dB'
'TXXX:replaygain_track_peak'                        '0.502528'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6e2e59af-c41a-4624-a4c5-52f60ea0f78b')

========================== row from database ==========================
                                              'id'  1279338
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Waits, Tom - Tom Waits/Nighthawks at the dinner/08 - Better Off Without a Wife.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  239
                                           'genre'  ifs-songwriter
                                        'filesize'  3835945
                                           'mtime'  1639508268
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Waits, dinner 08 ifs songwriter
                                      'tag_artist'  Tom Waits
                                     'tag_release'  Nighthawks at the Diner
                                       'tag_title'  Better Off Without a Wife
                                             'bpm'  95.709
                                    'search_title'  'a':4 'better':1 'off':2 'wife':5 'without':3
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  'at':2 'diner':4 'nighthawks':1 'the':3
                                     'search_rest'  '00singer':1 'dinner':6 'eos':3 'ifs':7 'songwriter':2 'waits':4,5
                                    'search_combo'  '00singer':12 'a':4A 'at':9C 'better':1A 'diner':11C 'dinner':17 'eos':14 'ifs':18 'nighthawks':8C 'off':2A 'songwriter':13 'the':10C 'tom':6B 'waits':7B,15,16 'wife':5A 'without':3A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'Q-PIANO-3', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639508267.912335  (2021-12-14 19:57:47)
                             'size'  3835945