======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '164'
                                          'artist'  'Poni-Tails'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'll Be Seeing You"
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['doo wop', 'oldies', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '124.163'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-495 POS 87'
'COMM:ID3v1 Comment:XXX'                            '59-495 POS 87'
'TBPM' (BPM (beats per minute))                     '124.163'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         "I'll Be Seeing You"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Poni-Tails'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['doo wop', 'oldies', 'vocal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.75 dB'
'TXXX:replaygain_track_peak'                        '0.412690'

========================== row from database ==========================
                                              'id'  1520470
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-495 - Poni-Tails - I_ll Be Seeing You.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  164
                                           'genre'  prerock-unsorted
                                        'filesize'  6591132
                                           'mtime'  1620387835
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 495 I_ll prerock unsorted
                                      'tag_artist'  Poni-Tails
                                     'tag_release'  None
                                       'tag_title'  I'll Be Seeing You
                                             'bpm'  124.163
                                    'search_title'  'be':4 'i':1 'ill':3 'll':2 'seeing':5 'you':6
                                   'search_artist'  'poni':1 'ponitails':3 'tails':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1959':6 '495':8 '59':7 'country':4 'exotica':2 'i':9 'jazz':1 'll':10 'oldies':3 'prerock':11 'unsorted':12
                                    'search_combo'  '00oldiepop':14 '1959':15 '495':17 '59':16 'be':4A 'country':13 'exotica':11 'i':1A,18 'ill':3A 'jazz':10 'll':2A,19 'oldies':12 'poni':7B 'ponitails':9B 'prerock':20 'seeing':5A 'tails':8B 'unsorted':21 'you':6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['doo wop', 'oldies', 'vocal']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387834.7606022  (2021-05-07 13:43:54)
                             'size'  6591132