======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '445'
                                          'artist'  'Covenant'
                                     'text_people'  ''
                                         'release'  'Go Film ep'
                                           'title'  'Go Film [Disco Calculi]'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['industrial', 'ebm', 'synthpop', 'electronic', 'futurepop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-futurepop'
                                             'bpm'  '130.314'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Go Film ep'
'TBPM' (BPM (beats per minute))                     '130.314'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-futurepop'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Go Film [Disco Calculi]'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Covenant'
'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'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.36 dB'
'TXXX:replaygain_track_peak'                        '0.675943'

========================== row from database ==========================
                                              'id'  1322519
                                            'path'  /data/Music/Bulk/00poprockelectronic/Covenant/Go Film EP/Covenant - Go Film [Disco Calculi].mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  445
                                           'genre'  eid-ebm or industrial or darkwave-futurepop
                                        'filesize'  7136783
                                           'mtime'  1620296721
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic EP eid ebm or industrial or darkwave futurepop
                                      'tag_artist'  Covenant
                                     'tag_release'  Go Film ep
                                       'tag_title'  Go Film [Disco Calculi]
                                             'bpm'  130.314
                                    'search_title'  'calculi':5,6 'disco':3,4 'film':2 'go':1
                                   'search_artist'  'covenant':1
                                  'search_release'  'ep':3 'film':2 'go':1
                                     'search_rest'  '00poprockelectronic':1 'darkwave':7 'ebm':4 'eid':3 'ep':2 'futurepop':8 'industrial':6 'or':5
                                    'search_combo'  '00poprockelectronic':11 'calculi':5A,6A 'covenant':7B 'darkwave':17 'disco':3A,4A 'ebm':14 'eid':13 'ep':10C,12 'film':2A,9C 'futurepop':18 'go':1A,8C 'industrial':16 'or':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'ebm', 'synthpop', 'electronic', 'futurepop']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620296720.605641  (2021-05-06 12:25:20)
                             'size'  7136783