======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '181'
                                          'artist'  'Freddy Robinson'
                                     'text_people'  ''
                                         'release'  'Easy Instr 70s'
                                           'title'  'Before Six (69)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jazz', '7soul', 'funk', 'guitar', 'rhythm and blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '96.9'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Easy Instr 70s'
'TBPM' (BPM (beats per minute))                     '96.9'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Before Six (69)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Freddy Robinson'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', '7soul', 'funk', 'guitar', 'rhythm and blues']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '-0.37 dB'
'TXXX:replaygain_track_peak'                        '0.735329'

========================== row from database ==========================
                                              'id'  1529705
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Freddy Robinson - Before Six (69).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  181
                                           'genre'  funk or soul-funk
                                        'filesize'  4360829
                                           'mtime'  1620665601
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY 70_s funk soul funk
                                      'tag_artist'  Freddy Robinson
                                     'tag_release'  Easy Instr 70s
                                       'tag_title'  Before Six (69)
                                             'bpm'  96.9
                                    'search_title'  '69':3,4 'before':1 'six':2
                                   'search_artist'  'freddy':1 'robinson':2
                                  'search_release'  '70s':3 'easy':1 'instr':2
                                     'search_rest'  '70':5 'easy':4 'funk':2 's':6 'soul':3 'swing':1
                                    'search_combo'  '69':3A,4A '70':14 '70s':9C 'before':1A 'easy':7C,13 'freddy':5B 'funk':11 'instr':8C 'robinson':6B 's':15 'six':2A 'soul':12 'swing':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', '7soul', 'funk', 'guitar', 'rhythm and blues']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665601.0273235  (2021-05-10 18:53:21)
                             'size'  4360829