======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '136'
                                          'artist'  'Anson Weeks Orchestra'
                                     'text_people'  ''
                                         'release'  'WhIte Lies And Red Roses'
                                           'title'  'I Concentrate On You'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['20s', 'big band', '1920s', 'pop', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '15'
                                            'date'  '1938'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '100.356'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'COMM:iTunNORM:eng'                                 (' 000004A3 000001EC 0000251B 000007BB 0001DD8D 0001BA0A 00005319 0000531F '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A80 00000000005B7AF0 00000000 0031BC3F 00000000 '
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'COMM:iTunes_CDDB_1:eng'                            'D9094C0F+178673+15+150+11574+22900+32190+47012+59344+69978+81597+95455+107979+117231+127427+140478+156790+164974'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '11'
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'TBPM' (BPM (beats per minute))                     '100.356'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TDRC' (Recording time)                             '1938'
'TENC' (Encoded by)                                 'iTunes v7.2'
'TIT2' (Title/songname/content description)         'I Concentrate On You'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Anson Weeks Orchestra'
'TPOS' (Part of a set)                              '2/3'
'TRCK' (Track number/Position in set)               '11/15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['20s', 'big band', '1920s', 'pop', 'swing']
'TXXX:q-bass'                                       '4'
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'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'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.01 dB'
'TXXX:replaygain_track_peak'                        '0.545662'

========================== row from database ==========================
                                              'id'  959628
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/WhIte Lies And Red Roses (1937-39)/2-11 I Concentrate On You.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  136
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  3437806
                                           'mtime'  1620537194
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country (1937 39) 2 11 prerock jb jazz vocal
                                      'tag_artist'  Anson Weeks Orchestra
                                     'tag_release'  WhIte Lies And Red Roses
                                       'tag_title'  I Concentrate On You
                                             'bpm'  100.356
                                    'search_title'  'concentrate':2 'i':1 'on':3 'you':4
                                   'search_artist'  'anson':1 'orchestra':3 'weeks':2
                                  'search_release'  'and':3 'ite':7 'lies':2 'red':4 'roses':5 'wh':6 'white':1
                                     'search_rest'  '1937':5,6 '2':9 '39':7,8 'country':4 'exotica':2 'jazz':1 'jb':11 'oldies':3 'prerock':10 'vocal':12
                                    'search_combo'  '1937':19,20 '2':23 '39':21,22 'and':10C 'anson':5B 'concentrate':2A 'country':18 'exotica':16 'i':1A 'ite':14C 'jazz':15 'jb':25 'lies':9C 'oldies':17 'on':3A 'orchestra':7B 'prerock':24 'red':11C 'roses':12C 'vocal':26 'weeks':6B 'wh':13C 'white':8C 'you':4A
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['20s', 'big band', '1920s', 'pop', 'swing']
                                        'tag_date'  1938
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537193.7582626  (2021-05-09 07:13:13)
                             'size'  3437806