======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '245'
                                          'artist'  'Mark Foggo'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Dolly'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ska punk', 'all', 'ska', 'spotify']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '113.5'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '113.5'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Dolly'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mark Foggo'
'TPE2' (Band/orchestra/accompaniment)               'Mark Foggo'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['ska punk', 'all', 'ska', 'spotify']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.79 dB'
'TXXX:replaygain_track_peak'                        '0.584599'

========================== row from database ==========================
                                              'id'  1531143
                                            'path'  /data/Music/Bulk/00poprockelectronic/Mark Foggo_s Skasters/Divers/Mark Foggo - Dolly.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  245
                                           'genre'  rock-gr-punk
                                        'filesize'  3932044
                                           'mtime'  1621695912
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Foggo_s Skasters Divers rock gr punk
                                      'tag_artist'  Mark Foggo
                                     'tag_release'  None
                                       'tag_title'  Dolly
                                             'bpm'  113.5
                                    'search_title'  'dolly':1
                                   'search_artist'  'foggo':2 'mark':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'divers':5 'foggo':2 'gr':7 'punk':8 'rock':6 's':3 'skasters':4
                                    'search_combo'  '00poprockelectronic':4 'divers':8 'dolly':1A 'foggo':3B,5 'gr':10 'mark':2B 'punk':11 'rock':9 's':6 'skasters':7
                                    '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-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['ska punk', 'all', 'ska', 'spotify']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695912.3968058  (2021-05-22 17:05:12)
                             'size'  3932044