======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '160'
                                          'artist'  'The Drifters'
                                     'text_people'  ''
                                         'release'  'Hits Of The 60s - Vol 1'
                                           'title'  'Under The Boardwalk'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HHRNBTT-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', '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'  '1'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'set-pl-billboard'
                                             'bpm'  '84.245'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits Of The 60s - Vol 1'
'TBPM' (BPM (beats per minute))                     '84.245'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-billboard'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Under The Boardwalk'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Drifters'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['60s', 'doo wop', 'rhythm and blues', 'soul', 'oldies']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.20 dB'
'TXXX:replaygain_track_peak'                        '0.423314'

========================== row from database ==========================
                                              'id'  1333966
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 60s - Vol 1/01 - Under The Boardwalk.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  160
                                           'genre'  set-pl-billboard
                                        'filesize'  3851450
                                           'mtime'  1652397901
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 01 set pl billboard
                                      'tag_artist'  The Drifters
                                     'tag_release'  Hits Of The 60s - Vol 1
                                       'tag_title'  Under The Boardwalk
                                             'bpm'  84.245
                                    'search_title'  'boardwalk':3 'the':2 'under':1
                                   'search_artist'  'drifters':2 'the':1
                                  'search_release'  '1':6 '60s':4 'hits':1 'of':2 'the':3 'vol':5
                                     'search_rest'  '00poprockelectronic':1 'billboard':4 'pl':3 'set':2
                                    'search_combo'  '00poprockelectronic':12 '1':11C '60s':9C 'billboard':15 'boardwalk':3A 'drifters':5B 'hits':6C 'of':7C 'pl':14 'set':13 'the':2A,4B,8C 'under':1A 'vol':10C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-JZFKS-2', 'Q-HHRNBTT-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['60s', 'doo wop', 'rhythm and blues', 'soul', 'oldies']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397900.8273163  (2022-05-13 01:25:00)
                             'size'  3851450