======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '183'
                                          'artist'  'Anson Weeks Orchestra'
                                     'text_people'  ''
                                         'release'  'WhIte Lies And Red Roses'
                                           'title'  'Melancholy Lullaby'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['20s', 'big band', '1920s', 'pop', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '15'
                                            'date'  '1938'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '104.015'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000002D6 0000019E 000023AD 00000FDE 000274AC 0000990F 00006160 000067DA '
 '00016882 0001689C')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B10 00000000007B3DE0 00000000 0043058E 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'C609020F+173140+15+150+9837+23875+33872+43431+57167+71244+81227+90396+102153+113848+125494+137410+148469+161255'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '5'
'TALB' (Album/Movie/Show title)                     'WhIte Lies And Red Roses'
'TBPM' (BPM (beats per minute))                     '104.015'
'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)         'Melancholy Lullaby'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Anson Weeks Orchestra'
'TPOS' (Part of a set)                              '1/3'
'TRCK' (Track number/Position in set)               '5/15'
'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'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.54 dB'
'TXXX:replaygain_track_peak'                        '0.682267'

========================== row from database ==========================
                                              'id'  959689
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/WhIte Lies And Red Roses (1937-39)/1-05 Melancholy Lullaby.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  183
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  4570677
                                           'mtime'  1620537189
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country (1937 39) 1 05 prerock jb jazz vocal
                                      'tag_artist'  Anson Weeks Orchestra
                                     'tag_release'  WhIte Lies And Red Roses
                                       'tag_title'  Melancholy Lullaby
                                             'bpm'  104.015
                                    'search_title'  'lullaby':2 'melancholy':1
                                   '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'  '1':9 '1937':5,6 '39':7,8 'country':4 'exotica':2 'jazz':1 'jb':11 'oldies':3 'prerock':10 'vocal':12
                                    'search_combo'  '1':21 '1937':17,18 '39':19,20 'and':8C 'anson':3B 'country':16 'exotica':14 'ite':12C 'jazz':13 'jb':23 'lies':7C 'lullaby':2A 'melancholy':1A 'oldies':15 'orchestra':5B 'prerock':22 'red':9C 'roses':10C 'vocal':24 'weeks':4B 'wh':11C 'white':6C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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'  1620537188.880639  (2021-05-09 07:13:08)
                             'size'  4570677