======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '142'
                                          'artist'  'Batmobile'
                                     'text_people'  ''
                                         'release'  '1989 - Amazons From Outer Space'
                                           'title'  'hard -on rock'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '118.636'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '1989 - Amazons From Outer Space'
'TBPM' (BPM (beats per minute))                     '118.636'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'hard -on rock'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Batmobile'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']
'TXXX:other'                                        '10'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.560021'

========================== row from database ==========================
                                              'id'  1333889
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Batmobile/1989 - amazons from outer space/10 - hard -on rock.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  142
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  3422793
                                           'mtime'  1620526168
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica amazons from outer space 10 rockabilly or psychobilly
                                      'tag_artist'  Batmobile
                                     'tag_release'  1989 - Amazons From Outer Space
                                       'tag_title'  hard -on rock
                                             'bpm'  118.636
                                    'search_title'  'hard':1 'on':2,3 'rock':4
                                   'search_artist'  'batmobile':1
                                  'search_release'  '1989':1 'amazons':2 'from':3 'outer':4 'space':5
                                     'search_rest'  '00poprockelectronic':1 'amazons':3 'from':4 'musica':2 'or':8 'outer':5 'psychobilly':9 'rockabilly':7 'space':6
                                    'search_combo'  '00poprockelectronic':11 '1989':6C 'amazons':7C,13 'batmobile':5B 'from':8C,14 'hard':1A 'musica':12 'on':2A,3A 'or':18 'outer':9C,15 'psychobilly':19 'rock':4A 'rockabilly':17 'space':10C,16
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']
                                        'tag_date'  1989
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620526167.8319457  (2021-05-09 04:09:27)
                             'size'  3422793