======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '1190'
                                          'artist'  'Heather Broderick & Nils Frahm'
                                     'text_people'  ''
                                         'release'  'Seeljocht'
                                           'title'  'Westeynde'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['ambient', 'piano', 'contemporary classical', 'classical', 'modern "
 "classical']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '94.680'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Seeljocht'
'TBPM' (BPM (beats per minute))                     '94.680'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Westeynde'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Heather Broderick & Nils Frahm'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['ambient', 'piano', 'contemporary classical', 'classical', 'modern classical']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.70 dB'
'TXXX:replaygain_track_peak'                        '0.585669'

========================== row from database ==========================
                                              'id'  174614
                                            'path'  /data/Music/Bulk/00instruments-classical/Nils Frahm/2011 - Seeljocht (& Greg Haines, Piiptsjilling, Heather Broderick)/03 - Westeynde.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  1190
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  47612188
                                           'mtime'  1620561703
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical 2011 (& Greg Haines, Piiptsjilling, Broderick) 03 prerock classical or classical instruments
                                      'tag_artist'  Heather Broderick & Nils Frahm
                                     'tag_release'  Seeljocht
                                       'tag_title'  Westeynde
                                             'bpm'  94.68
                                    'search_title'  'westeynde':1
                                   'search_artist'  'broderick':2 'frahm':4 'heather':1 'nils':3
                                  'search_release'  'seeljocht':1
                                     'search_rest'  '00instruments':1 '2011':3 'broderick':9,10 'classical':2 'greg':4 'haines':5,6 'instruments':13 'or':12 'piiptsjilling':7,8 'prerock':11
                                    'search_combo'  '00instruments':7 '2011':9 'broderick':3B,15,16 'classical':8 'frahm':5B 'greg':10 'haines':11,12 'heather':2B 'instruments':19 'nils':4B 'or':18 'piiptsjilling':13,14 'prerock':17 'seeljocht':6C 'westeynde':1A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'piano', 'contemporary classical', 'classical', 'modern classical']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561702.9791138  (2021-05-09 14:01:42)
                             'size'  47612188