======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '337'
                                          'artist'  'U96'
                                     'text_people'  ''
                                         'release'  'Queen Dance Traxx 1'
                                           'title'  "Flash's Theme"
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['90s', 'dance', 'eurodance', 'techno', 'german', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '139.948'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Queen Dance Traxx 1'
'TBPM' (BPM (beats per minute))                     '139.948'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         "Flash's Theme"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'U96'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['90s', 'dance', 'eurodance', 'techno', 'german', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.430790'

========================== row from database ==========================
                                              'id'  1511229
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Top 40/U96 - Flash_s Theme.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  337
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  5408643
                                           'mtime'  1621695906
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Top 40 Flash_s electronic generic or radio dance
                                      'tag_artist'  U96
                                     'tag_release'  Queen Dance Traxx 1
                                       'tag_title'  Flash's Theme
                                             'bpm'  139.948
                                    'search_title'  'flash':1 'flashs':3 's':2 'theme':4
                                   'search_artist'  'u96':1
                                  'search_release'  '1':4 'dance':2 'queen':1 'traxx':3
                                     'search_rest'  '00poprockelectronic':1 '40':6 'dance':3 'electronic':9 'flash':7 'generic':2 'or':10 'radio':11 's':8 'top':5 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':10 '1':9C '40':15 'dance':7C,12 'electronic':18 'flash':1A,16 'flashs':3A 'generic':11 'or':19 'queen':6C 'radio':20 's':2A,17 'theme':4A 'top':14 'trapbeat':13 'traxx':8C 'u96':5B
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'dance', 'eurodance', 'techno', 'german', 'electronic']
                                        'tag_date'  1996
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621695906.038849  (2021-05-22 17:05:06)
                             'size'  5408643