======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '188'
                                          'artist'  'Jane Froman'
                                     'text_people'  'Dubin & Warren'
                                         'release'  ''
                                           'title'  'I Only Have Eyes For You'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['40s', 'american', '30s', 'female vocalists', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '39'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '137.946'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 11/10/34 and peaked at #20 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 11/10/34 and peaked'
'TBPM' (BPM (beats per minute))                     '137.946'
'TCOM' (Composer)                                   'Dubin & Warren'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'I Only Have Eyes For You'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jane Froman'
'TRCK' (Track number/Position in set)               '39'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['40s', 'american', '30s', 'female vocalists', 'all']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.59 dB'
'TXXX:replaygain_track_peak'                        '0.490340'

========================== row from database ==========================
                                              'id'  1455799
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/I only have eyes for you - Jane Froman.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  188
                                           'genre'  prerock-unsorted
                                        'filesize'  1511454
                                           'mtime'  1621697974
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 only have eyes for you prerock unsorted
                                      'tag_artist'  Jane Froman
                                     'tag_release'  None
                                       'tag_title'  I Only Have Eyes For You
                                             'bpm'  137.946
                                    'search_title'  'eyes':4 'for':5 'have':3 'i':1 'only':2 'you':6
                                   'search_artist'  'froman':2 'jane':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1934':6 'country':4 'exotica':2 'eyes':9 'for':10 'have':8 'jazz':1 'oldies':3 'only':7 'prerock':12 'unsorted':13 'you':11
                                    'search_combo'  '00oldiepop':13 '1934':14 'country':12 'exotica':10 'eyes':4A,17 'for':5A,18 'froman':8B 'have':3A,16 'i':1A 'jane':7B 'jazz':9 'oldies':11 'only':2A,15 'prerock':20 'unsorted':21 'you':6A,19
                                    'tag_tracknum'  39
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['40s', 'american', '30s', 'female vocalists', 'all']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697974.3511682  (2021-05-22 17:39:34)
                             'size'  1511454