======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '140'
                                          'artist'  'The Drifters'
                                     'text_people'  'Doc Pomus/Mort Shuman'
                                         'release'  'The Very Best of the Drifters'
                                           'title'  '(If You Cry) True Love, True Love'
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'doo wop', 'rhythm and blues', 'soul', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '140.433'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-212 POS 33'
'COMM:ID3v1 Comment:XXX'                            '59-212 POS 33'
'TALB' (Album/Movie/Show title)                     'The Very Best of the Drifters'
'TBPM' (BPM (beats per minute))                     '140.433'
'TCOM' (Composer)                                   'Doc Pomus/Mort Shuman'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         '(If You Cry) True Love, True Love'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Drifters'
'TPE2' (Band/orchestra/accompaniment)               'The Drifters'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['60s', 'doo wop', 'rhythm and blues', 'soul', 'oldies']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '-0.10 dB'
'TXXX:replaygain_track_peak'                        '0.493121'

========================== row from database ==========================
                                              'id'  1436101
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-212 - Drifters - (If You Cry) True Love, True Love.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  140
                                           'genre'  prerock-unsorted
                                        'filesize'  5605251
                                           'mtime'  1620387804
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 212 prerock unsorted
                                      'tag_artist'  The Drifters
                                     'tag_release'  The Very Best of the Drifters
                                       'tag_title'  (If You Cry) True Love, True Love
                                             'bpm'  140.433
                                    'search_title'  'cry':4,5 'if':1,2 'love':7,8 'true':6 'you':3
                                   'search_artist'  'drifters':2 'the':1
                                  'search_release'  'best':3 'drifters':5 'of':4 'the':1 'very':2
                                     'search_rest'  '00oldiepop':5 '1959':6 '212':8 '59':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':20 '1959':21 '212':23 '59':22 'best':13C 'country':19 'cry':4A,5A 'drifters':10B,15C 'exotica':17 'if':1A,2A 'jazz':16 'love':7A,8A 'of':14C 'oldies':18 'prerock':24 'the':9B,11C 'true':6A 'unsorted':25 'very':12C 'you':3A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8B
                                           '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-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['60s', 'doo wop', 'rhythm and blues', 'soul', 'oldies']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387803.840956  (2021-05-07 13:43:23)
                             'size'  5605251