======================== unified (from filesystem) ========================
                                         'bitrate'  '202.591'
                                        'duration'  '290'
                                          'artist'  'Covenant'
                                     'text_people'  ''
                                         'release'  'United states of mind'
                                           'title'  'Dead stars (version)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', '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'  '11'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '132.966'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'United states of mind'
'TBPM' (BPM (beats per minute))                     '132.966'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Dead stars (version)'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Covenant'
'TRCK' (Track number/Position in set)               '8/11'
'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'                                       '4'
'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'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.447504'

========================== row from database ==========================
                                              'id'  1335923
                                            'path'  /data/Music/Bulk/00poprockelectronic/Covenant/United states of mind/Covenant - Dead Stars (Version).mp3
                                         'working'  None
                                         'bitrate'  202
                                    'duration_sec'  290
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  7364651
                                           'mtime'  1620296930
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Stars (Version) eid ebm or industrial or darkwave
                                      'tag_artist'  Covenant
                                     'tag_release'  United states of mind
                                       'tag_title'  Dead stars (version)
                                             'bpm'  132.966
                                    'search_title'  'dead':1 'stars':2 'version':3,4
                                   'search_artist'  'covenant':1
                                  'search_release'  'mind':4 'of':3 'states':2 'united':1
                                     'search_rest'  '00poprockelectronic':1 'darkwave':9 'ebm':6 'eid':5 'industrial':8 'or':7 'stars':2 'version':3,4
                                    'search_combo'  '00poprockelectronic':10 'covenant':5B 'darkwave':18 'dead':1A 'ebm':15 'eid':14 'industrial':17 'mind':9C 'of':8C 'or':16 'stars':2A,11 'states':7C 'united':6C 'version':3A,4A,12,13
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6B
                                           '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-4', 'q-grit-3']
                                      'lastfmtags'  ['industrial', 'ebm', 'synthpop', 'electronic', 'futurepop']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620296930.0681703  (2021-05-06 12:28:50)
                             'size'  7364651