======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '175'
                                          'artist'  'Lo-Fi-FNK'
                                     'text_people'  ''
                                         'release'  'Boylife'
                                           'title'  'Louder'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['swedish', 'indie', 'electropop', 'electronic', 'poptron']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '145.895'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Boylife'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Louder'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Lo-Fi-FNK'
'TRCK' (Track number/Position in set)               '9'
'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:lastfmtags'                                   ['swedish', 'indie', 'electropop', 'electronic', 'poptron']
'TXXX:original release date'                        ['2006', '2006']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.29 dB'
'TXXX:replaygain_track_peak'                        '0.392901'

========================== row from database ==========================
                                              'id'  1287804
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lo-Fi-FNK/09 louder.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  175
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  4224571
                                           'mtime'  1628353829
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 09 louder electronic we electropop or synthpop
                                      'tag_artist'  Lo-Fi-FNK
                                     'tag_release'  Boylife
                                       'tag_title'  Louder
                                             'bpm'  145.895
                                    'search_title'  'louder':1
                                   'search_artist'  'fi':2 'fnk':3 'lo':1 'lofifnk':4
                                  'search_release'  'boylife':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':3 'electropop':5 'louder':2 'or':6 'synthpop':7 'we':4
                                    'search_combo'  '00poprockelectronic':7 'boylife':6C 'electronic':9 'electropop':11 'fi':3B 'fnk':4B 'lo':2B 'lofifnk':5B 'louder':1A,8 'or':12 'synthpop':13 'we':10
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', '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-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'indie', 'electropop', 'electronic', 'poptron']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353829.0565355  (2021-08-07 18:30:29)
                             'size'  4224571