======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '160'
                                          'artist'  'Bobbie Gentry'
                                     'text_people'  ''
                                         'release'  'Ode to Billie Joe'
                                           'title'  'Lazy Willie'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
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                                      'lastfmtags'  "['country', 'female vocalists', 'soul', '60s', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '10'
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '116.924'
                                             'key'  '10B'
                                        'acoustid'  '91ebb4ad-0ff6-416b-9bef-8f904d1b1b9b'
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Ode to Billie Joe'
'TBPM' (BPM (beats per minute))                     '116.924'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDOR' (Original release time)                      '1967'
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Lazy Willie'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Bobbie Gentry'
'TPE2' (Band/orchestra/accompaniment)               'Bobbie Gentry'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Capitol Records'
'TRCK' (Track number/Position in set)               '9/10'
'TSO2'                                              'Gentry, Bobbie'
'TSOP' (Performer sort order)                       'Gentry, Bobbie'
'TXXX:Acoustid Id'                                  '91ebb4ad-0ff6-416b-9bef-8f904d1b1b9b'
'TXXX:CATALOGNUMBER'                                'ST 2830'
'TXXX:Engineer'                                     'Giu gia//'
'TXXX:MusicBrainz Album Artist Id'                  'a5106366-6368-4a02-a580-73a3c02abb2f'
'TXXX:MusicBrainz Album Id'                         '2b97fbfe-1282-44da-a2b2-a927a2801826'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a5106366-6368-4a02-a580-73a3c02abb2f'
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'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['country', 'female vocalists', 'soul', '60s', '70s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.34 dB'
'TXXX:replaygain_track_peak'                        '0.564866'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'54f7888f-52e3-413e-9770-4c0d02a32638')

========================== row from database ==========================
                                              'id'  1259306
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Bobbie Gentry 1967 Ode to Billie Joe/09 gentry, bobbie - lazy willie.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  160
                                           'genre'  funk or soul
                                        'filesize'  5143792
                                           'mtime'  1628357784
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul 1967 09 gentry, bobbie lazy willie funk or soul
                                      'tag_artist'  Bobbie Gentry
                                     'tag_release'  Ode to Billie Joe
                                       'tag_title'  Lazy Willie
                                             'bpm'  116.924
                                    'search_title'  'lazy':1 'willie':2
                                   'search_artist'  'bobbie':1 'gentry':2
                                  'search_release'  'billie':3 'joe':4 'ode':1 'to':2
                                     'search_rest'  '1967':4 'bobbie':7 'funk':2 'gentry':5,6 'lazy':8 'or':10 'soul':3 'swing':1 'willie':9
                                    'search_combo'  '1967':12 'billie':7C 'bobbie':3B,15 'funk':10 'gentry':4B,13,14 'joe':8C 'lazy':1A,16 'ode':5C 'or':18 'soul':11 'swing':9 'to':6C 'willie':2A,17
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['country', 'female vocalists', 'soul', '60s', '70s']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357783.9632983  (2021-08-07 19:36:23)
                             'size'  5143792