======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '420'
                                          'artist'  'Kepa Junkera, Riccardo Tesi, John Kirkpatrick'
                                     'text_people'  ''
                                         'release'  'Trans-Europe Diatonique'
                                           'title'  'Hornpipe'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk', 'instrumental', 'accordion']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '13'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'mi-accordeon'
                                             'bpm'  '139.562'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Trans-Europe Diatonique'
'TBPM' (BPM (beats per minute))                     '139.562'
'TCON' (Content type, a.k.a. Genre)                 'mi-accordeon'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Hornpipe'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kepa Junkera, Riccardo Tesi, John Kirkpatrick'
'TRCK' (Track number/Position in set)               '3/13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk', 'instrumental', 'accordion']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.80 dB'
'TXXX:replaygain_track_peak'                        '0.582919'

========================== row from database ==========================
                                              'id'  761800
                                            'path'  /data/Music/Bulk/00localcharacter/kepa junkera - 1993 - trans-europe diatonique/Kepa Junkera Trans-Europe diatonique-03 - Hornpipe.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  420
                                           'genre'  mi-accordeon
                                        'filesize'  8409747
                                           'mtime'  1620528305
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter kepa junkera 1993 trans europe diatonique diatonique 03 mi accordeon
                                      'tag_artist'  Kepa Junkera, Riccardo Tesi, John Kirkpatrick
                                     'tag_release'  Trans-Europe Diatonique
                                       'tag_title'  Hornpipe
                                             'bpm'  139.562
                                    'search_title'  'hornpipe':1
                                   'search_artist'  'john':7 'junkera':2,3 'kepa':1 'kirkpatrick':8 'riccardo':4 'tesi':5,6
                                  'search_release'  'diatonique':4 'europe':2 'trans':1 'transeurope':3
                                     'search_rest'  '1993':3 'accordeon':8 'diatonique':6 'europe':5 'junkera':2 'kepa':1 'mi':7 'trans':4
                                    'search_combo'  '1993':16 'accordeon':21 'diatonique':13C,19 'europe':11C,18 'hornpipe':1A 'john':8B 'junkera':3B,4B,15 'kepa':2B,14 'kirkpatrick':9B 'mi':20 'riccardo':5B 'tesi':6B,7B 'trans':10C,17 'transeurope':12C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['folk', 'instrumental', 'accordion']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528304.834268  (2021-05-09 04:45:04)
                             'size'  8409747