======================== unified (from filesystem) ========================
                                         'bitrate'  '201.024'
                                        'duration'  '278'
                                          'artist'  'Ice Cakes'
                                     'text_people'  ''
                                         'release'  'progsoup 13'
                                           'title'  '05'
                                           '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-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '56'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '119.546'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 13'
'TBPM' (BPM (beats per minute))                     '119.546'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         '05'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ice Cakes'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '56'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.21 dB'
'TXXX:replaygain_track_peak'                        '0.570021'

========================== row from database ==========================
                                              'id'  1409782
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 13/768 dixie dregs Ice Cakes.mp3
                                         'working'  None
                                         'bitrate'  201
                                    'duration_sec'  278
                                           'genre'  rock-cppex-progressive
                                        'filesize'  7008128
                                           'mtime'  1620736393
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 768 dixie dregs rock cppex progressive
                                      'tag_artist'  Ice Cakes
                                     'tag_release'  progsoup 13
                                       'tag_title'  05
                                             'bpm'  119.546
                                    'search_title'  
                                   'search_artist'  'cakes':2 'ice':1
                                  'search_release'  'progsoup':1
                                     'search_rest'  '768':3 'classicprogpsy':1 'cppex':7 'dixie':4 'dregs':5 'progressive':8 'progsoup':2 'rock':6
                                    'search_combo'  '768':6 'cakes':2B 'classicprogpsy':4 'cppex':10 'dixie':7 'dregs':8 'ice':1B 'progressive':11 'progsoup':3C,5 'rock':9
                                    'tag_tracknum'  56
                                      '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-4', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736392.866241  (2021-05-11 14:33:12)
                             'size'  7008128