======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '317'
                                          'artist'  'Pink Floyd'
                                     'text_people'  ''
                                         'release'  'progsoup 19'
                                           'title'  'Biding my time'
                                           '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-3', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['psychedelic rock', 'rock', 'progressive rock', 'psychedelic', 'classic "
 "rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '86.957'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 19'
'TBPM' (BPM (beats per minute))                     '86.957'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Biding my time'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pink Floyd'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '9'
'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'                                   ['psychedelic rock', 'rock', 'progressive rock', 'psychedelic', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'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'                        '-0.28 dB'
'TXXX:replaygain_track_peak'                        '0.708027'

========================== row from database ==========================
                                              'id'  1416443
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 19/1066 pink floyd- biding my time.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  317
                                           'genre'  rock-cppex-progressive
                                        'filesize'  5088073
                                           'mtime'  1620736724
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 1066 pink floyd biding rock cppex progressive
                                      'tag_artist'  Pink Floyd
                                     'tag_release'  progsoup 19
                                       'tag_title'  Biding my time
                                             'bpm'  86.957
                                    'search_title'  'biding':1 'my':2 'time':3
                                   'search_artist'  'floyd':2 'pink':1
                                  'search_release'  '19':2 'progsoup':1
                                     'search_rest'  '1066':3 'biding':6 'classicprogpsy':1 'cppex':8 'floyd':5 'pink':4 'progressive':9 'progsoup':2 'rock':7
                                    'search_combo'  '1066':10 '19':7C 'biding':1A,13 'classicprogpsy':8 'cppex':15 'floyd':5B,12 'my':2A 'pink':4B,11 'progressive':16 'progsoup':6C,9 'rock':14 'time':3A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  4A
                                           '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-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['psychedelic rock', 'rock', 'progressive rock', 'psychedelic', 'classic rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736723.8018713  (2021-05-11 14:38:43)
                             'size'  5088073