======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '344'
                                          'artist'  'rare bird'
                                     'text_people'  ''
                                         'release'  'progsoup 5'
                                           'title'  'Same-Beautiful Scarlet'
                                           '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-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['art rock', 'rock', 'progressive rock', 'progressive', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '144.438'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 5'
'TBPM' (BPM (beats per minute))                     '144.438'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Same-Beautiful Scarlet'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'rare bird'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '8'
'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'                                   ['art rock', 'rock', 'progressive rock', 'progressive', 'classic rock']
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.22 dB'
'TXXX:replaygain_track_peak'                        '0.512915'
'TXXX:tracknum'                                     '278'

========================== row from database ==========================
                                              'id'  1413457
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup5/278 rare bird - Same-Beautiful Scarlet.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  344
                                           'genre'  rock-cppex-progressive
                                        'filesize'  11028241
                                           'mtime'  1620737677
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup5 278 rock cppex progressive
                                      'tag_artist'  rare bird
                                     'tag_release'  progsoup 5
                                       'tag_title'  Same-Beautiful Scarlet
                                             'bpm'  144.438
                                    'search_title'  'beautiful':2 'same':1 'samebeautiful':3 'scarlet':4
                                   'search_artist'  'bird':2 'rare':1
                                  'search_release'  '5':2 'progsoup':1
                                     'search_rest'  '278':4 'classicprogpsy':1 'cppex':6 'progressive':7 'progsoup':2 'progsoup5':3 'rock':5
                                    'search_combo'  '278':12 '5':8C 'beautiful':2A 'bird':6B 'classicprogpsy':9 'cppex':14 'progressive':15 'progsoup':7C,10 'progsoup5':11 'rare':5B 'rock':13 'same':1A 'samebeautiful':3A 'scarlet':4A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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'  ['art rock', 'rock', 'progressive rock', 'progressive', 'classic rock']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737676.8760118  (2021-05-11 14:54:36)
                             'size'  11028241