======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '116'
                                          'artist'  'Frankie Lymon & The Teenagers'
                                     'text_people'  ''
                                         'release'  "Rock 'n Roll Era - R & B Gems  (Gee Records)"
                                           'title'  'The ABCs Of Love'
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['doo wop', 'oldies', '50s', 'rock n roll', 'soul', 'rhythm and blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '412'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '96.946'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Rock 'n Roll Era - R & B Gems  (Gee Records)"
'TBPM' (BPM (beats per minute))                     '96.946'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         'The ABCs Of Love'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Frankie Lymon & The Teenagers'
'TRCK' (Track number/Position in set)               '412'
'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', '50s', 'rock n roll', 'soul', 'rhythm and blues']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.86 dB'
'TXXX:replaygain_track_peak'                        '0.522473'

========================== row from database ==========================
                                              'id'  1441067
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/1956-412 - Frankie Lymon & The Teenagers - The ABCs Of Love.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  116
                                           'genre'  prerock-unsorted
                                        'filesize'  4677504
                                           'mtime'  1620387601
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1956 1956 412 prerock unsorted
                                      'tag_artist'  Frankie Lymon & The Teenagers
                                     'tag_release'  Rock 'n Roll Era - R & B Gems  (Gee Records)
                                       'tag_title'  The ABCs Of Love
                                             'bpm'  96.946
                                    'search_title'  'abcs':2 'love':4 'of':3 'the':1
                                   'search_artist'  'frankie':1 'lymon':2 'teenagers':4 'the':3
                                  'search_release'  'b':7 'era':5 'gee':9,10 'gems':8 'n':2,3 'r':6 'records':11,12 'rock':1 'roll':4
                                     'search_rest'  '00oldiepop':5 '1956':6 '412':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':25 '1956':26 '412':27 'abcs':2A 'b':15C 'country':24 'era':13C 'exotica':22 'frankie':5B 'gee':17C,18C 'gems':16C 'jazz':21 'love':4A 'lymon':6B 'n':10C,11C 'of':3A 'oldies':23 'prerock':28 'r':14C 'records':19C,20C 'rock':9C 'roll':12C 'teenagers':8B 'the':1A,7B 'unsorted':29
                                    'tag_tracknum'  412
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['doo wop', 'oldies', '50s', 'rock n roll', 'soul', 'rhythm and blues']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387600.7162938  (2021-05-07 13:40:00)
                             'size'  4677504