======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '194'
                                          'artist'  'Bing Crosby Feat. Georgie Stoll Orchestra'
                                     'text_people'  ''
                                         'release'  'Bing Crosby'
                                           'title'  "Maybe I'm Wrong Again"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '141.611'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 12/22/34+ and peaked at #14 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 12/22/34+ and peaked'
'TALB' (Album/Movie/Show title)                     'Bing Crosby'
'TBPM' (BPM (beats per minute))                     '141.611'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         "Maybe I'm Wrong Again"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bing Crosby Feat. Georgie Stoll Orchestra'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.57 dB'
'TXXX:replaygain_track_peak'                        '0.487594'

========================== row from database ==========================
                                              'id'  1518434
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Maybe I_m wrong again - Bing Crosby (accompanied by Georgie Stoll Orchestra).mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  194
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  2330496
                                           'mtime'  1620526150
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 I_m wrong again (accompanied Orchestra) prerock jb jazz vocal
                                      'tag_artist'  Bing Crosby Feat. Georgie Stoll Orchestra
                                     'tag_release'  Bing Crosby
                                       'tag_title'  Maybe I'm Wrong Again
                                             'bpm'  141.611
                                    'search_title'  'again':6 'i':2 'im':4 'm':3 'maybe':1 'wrong':5
                                   'search_artist'  'bing':1 'crosby':2 'feat':3,4 'georgie':5 'orchestra':7 'stoll':6
                                  'search_release'  'bing':1 'crosby':2
                                     'search_rest'  '00oldiepop':5 '1934':6 'accompanied':11,12 'again':10 'country':4 'exotica':2 'i':7 'jazz':1 'jb':16 'm':8 'oldies':3 'orchestra':13,14 'prerock':15 'vocal':17 'wrong':9
                                    'search_combo'  '00oldiepop':20 '1934':21 'accompanied':26,27 'again':6A,25 'bing':7B,14C 'country':19 'crosby':8B,15C 'exotica':17 'feat':9B,10B 'georgie':11B 'i':2A,22 'im':4A 'jazz':16 'jb':31 'm':3A,23 'maybe':1A 'oldies':18 'orchestra':13B,28,29 'prerock':30 'stoll':12B 'vocal':32 'wrong':5A,24
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526150.498596  (2021-05-09 04:09:10)
                             'size'  2330496