======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '326'
                                          'artist'  'Jean-Luc Ponty'
                                     'text_people'  ''
                                         'release'  'Progsoup 38'
                                           'title'  'Nostalgic Lady'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fip', 'jazz fusion', 'jazz', 'instrumental', 'fusion', 'violin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '118.775'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 38'
'TBPM' (BPM (beats per minute))                     '118.775'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Nostalgic Lady'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jean-Luc Ponty'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['fip', 'jazz fusion', 'jazz', 'instrumental', 'fusion', 'violin']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.41 dB'
'TXXX:replaygain_track_peak'                        '0.895988'

========================== row from database ==========================
                                              'id'  1411072
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 38 (fusionsoup)/2198 jean luc ponty - Nostalgic Lady.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  326
                                           'genre'  rock-cppex-progressive
                                        'filesize'  7849854
                                           'mtime'  1620737299
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (fusionsoup) 2198 jean luc ponty rock cppex progressive
                                      'tag_artist'  Jean-Luc Ponty
                                     'tag_release'  Progsoup 38
                                       'tag_title'  Nostalgic Lady
                                             'bpm'  118.775
                                    'search_title'  'lady':2 'nostalgic':1
                                   'search_artist'  'jean':1 'jeanluc':3 'luc':2 'ponty':4
                                  'search_release'  '38':2 'progsoup':1
                                     'search_rest'  '2198':5 'classicprogpsy':1 'cppex':10 'fusionsoup':3,4 'jean':6 'luc':7 'ponty':8 'progressive':11 'progsoup':2 'rock':9
                                    'search_combo'  '2198':13 '38':8C 'classicprogpsy':9 'cppex':18 'fusionsoup':11,12 'jean':3B,14 'jeanluc':5B 'lady':2A 'luc':4B,15 'nostalgic':1A 'ponty':6B,16 'progressive':19 'progsoup':7C,10 'rock':17
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['fip', 'jazz fusion', 'jazz', 'instrumental', 'fusion', 'violin']
                                        'tag_date'  1977
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737298.9757493  (2021-05-11 14:48:18)
                             'size'  7849854