======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '289'
                                          'artist'  'Skinny Puppy'
                                     'text_people'  ''
                                         'release'  'Rabies'
                                           'title'  'Rivers'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['ebm', 'industrial', 'electronic', 'experimental', 'industrial rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '130.566'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Rabies'
'TBPM' (BPM (beats per minute))                     '130.566'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Rivers'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Skinny Puppy'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['ebm', 'industrial', 'electronic', 'experimental', 'industrial rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.06 dB'
'TXXX:replaygain_track_peak'                        '1.040543'

========================== row from database ==========================
                                              'id'  1397491
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Skinny Puppy/Rabies/08. Rivers (Instrumental).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  289
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  6940193
                                           'mtime'  1620296062
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth 08. (Instrumental) eid ebm or industrial or darkwave
                                      'tag_artist'  Skinny Puppy
                                     'tag_release'  Rabies
                                       'tag_title'  Rivers
                                             'bpm'  130.566
                                    'search_title'  'rivers':1
                                   'search_artist'  'puppy':2 'skinny':1
                                  'search_release'  'rabies':1
                                     'search_rest'  '00dwimp':1 '00ebm':2 '08':6,7 'darkwave':4 'ebm':11 'eid':10 'goth':5 'industrial':3 'instrumental':8,9 'or':12
                                    'search_combo'  '00dwimp':5 '00ebm':6 '08':10,11 'darkwave':8 'ebm':15 'eid':14 'goth':9 'industrial':7 'instrumental':12,13 'or':16 'puppy':3B 'rabies':4C 'rivers':1A 'skinny':2B
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['ebm', 'industrial', 'electronic', 'experimental', 'industrial rock']
                                        'tag_date'  1989
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620296061.5729022  (2021-05-06 12:14:21)
                             'size'  6940193