======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '191'
                                          'artist'  "bernard lubat & herve' roy"
                                     'text_people'  ''
                                         'release'  'Telemusic 3010 - Vibraphones Vol. 1'
                                           'title'  "nage libre (vb. telemusic lib. FR '70)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', '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-2']")
                                      'lastfmtags'  "['library music']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '111.8'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '320 Stereo  FhG'
'TALB' (Album/Movie/Show title)                     'Telemusic 3010 - Vibraphones Vol. 1'
'TBPM' (BPM (beats per minute))                     '111.8'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         "nage libre (vb. telemusic lib. FR '70)"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               "bernard lubat & herve' roy"
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'library music'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.39 dB'
'TXXX:replaygain_track_peak'                        '0.808346'

========================== row from database ==========================
                                              'id'  1526933
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/bernard lubat & herve_ roy - nage libre (vb. telemusic lib. FR _70).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  191
                                           'genre'  funk or soul
                                        'filesize'  7650701
                                           'mtime'  1628357833
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s herve_ _70) funk or soul
                                      'tag_artist'  bernard lubat & herve' roy
                                     'tag_release'  Telemusic 3010 - Vibraphones Vol. 1
                                       'tag_title'  nage libre (vb. telemusic lib. FR '70)
                                             'bpm'  111.8
                                    'search_title'  '70':9,10 'fr':8 'lib':6,7 'libre':2 'nage':1 'telemusic':5 'vb':3,4
                                   'search_artist'  'bernard':1 'herve':3,4 'lubat':2 'roy':5
                                  'search_release'  '1':6 '3010':2 'telemusic':1 'vibraphones':3 'vol':4,5
                                     'search_rest'  '70':6,9,10 'easy':4 'funk':2 'herve':8 'instr':5 'or':11 's':7 'soul':3 'swing':1
                                    'search_combo'  '1':21C '3010':17C '70':9A,10A,27,30,31 'bernard':11B 'easy':25 'fr':8A 'funk':23 'herve':13B,14B,29 'instr':26 'lib':6A,7A 'libre':2A 'lubat':12B 'nage':1A 'or':32 'roy':15B 's':28 'soul':24 'swing':22 'telemusic':5A,16C 'vb':3A,4A 'vibraphones':18C 'vol':19C,20C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['library music']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357832.950041  (2021-08-07 19:37:12)
                             'size'  7650701