======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '157'
                                          'artist'  'Wanted'
                                     'text_people'  ''
                                         'release'  'Tape No032 - Instrumental Garage'
                                           'title'  'The Wanted'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['korean', 'synthpop', 'k-pop', 'reggae', 'rock']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '103.0'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tape No032 - Instrumental Garage'
'TBPM' (BPM (beats per minute))                     '103.0'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'The Wanted'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Wanted'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['korean', 'synthpop', 'k-pop', 'reggae', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+23.65 dB'
'TXXX:replaygain_track_peak'                        '0.048900'
'TXXX:tracknum'                                     '15'

========================== row from database ==========================
                                              'id'  499926
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT032/15 - Wanted - The Wanted (1966).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  157
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  5031743
                                           'mtime'  1620382993
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT032 15 (1966) rock gr garage;set pl garagetapes
                                      'tag_artist'  Wanted
                                     'tag_release'  Tape No032 - Instrumental Garage
                                       'tag_title'  The Wanted
                                             'bpm'  103.0
                                    'search_title'  'the':1 'wanted':2
                                   'search_artist'  'wanted':1
                                  'search_release'  'garage':4 'instrumental':3 'no032':2 'tape':1
                                     'search_rest'  '1966':6,7 'blogspot':2 'com':3 'garage':10,12 'garagetapes':1,15 'garagetapesblogspotcom':4 'gr':9 'gt032':5 'pl':14 'rock':8 'set':11,13
                                    'search_combo'  '1966':13,14 'blogspot':9 'com':10 'garage':7C,17,19 'garagetapes':8,22 'garagetapesblogspotcom':11 'gr':16 'gt032':12 'instrumental':6C 'no032':5C 'pl':21 'rock':15 'set':18,20 'tape':4C 'the':1A 'wanted':2A,3B
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['korean', 'synthpop', 'k-pop', 'reggae', 'rock']
                                        'tag_date'  1966
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620382993.4875896  (2021-05-07 12:23:13)
                             'size'  5031743