======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '292'
                                          'artist'  'Apoptygma Berzerk'
                                     'text_people'  ''
                                         'release'  'Dark Wave Mix'
                                           'title'  'Spindizzy'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['industrial', 'ebm', 'synthpop', 'electronic', 'futurepop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '129.896'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dark Wave Mix'
'TBPM' (BPM (beats per minute))                     '129.896'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Spindizzy'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Apoptygma Berzerk'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                   ['industrial', 'ebm', 'synthpop', 'electronic', 'futurepop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.91 dB'
'TXXX:replaygain_track_peak'                        '0.470762'

========================== row from database ==========================
                                              'id'  1395244
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Dark Wave Mix/08 - Apoptygma Berzerk - Spindizzy.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  292
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  7016645
                                           'mtime'  1620295982
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth 08 eid ebm or industrial or darkwave
                                      'tag_artist'  Apoptygma Berzerk
                                     'tag_release'  Dark Wave Mix
                                       'tag_title'  Spindizzy
                                             'bpm'  129.896
                                    'search_title'  'spindizzy':1
                                   'search_artist'  'apoptygma':1 'berzerk':2
                                  'search_release'  'dark':1 'mix':3 'wave':2
                                     'search_rest'  '00dwimp':1 '00ebm':2 'darkwave':4 'ebm':7 'eid':6 'goth':5 'industrial':3 'or':8
                                    'search_combo'  '00dwimp':7 '00ebm':8 'apoptygma':2B 'berzerk':3B 'dark':4C 'darkwave':10 'ebm':13 'eid':12 'goth':11 'industrial':9 'mix':6C 'or':14 'spindizzy':1A 'wave':5C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['industrial', 'ebm', 'synthpop', 'electronic', 'futurepop']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620295982.295817  (2021-05-06 12:13:02)
                             'size'  7016645