======================== unified (from filesystem) ========================
                                         'bitrate'  '278.312'
                                        'duration'  '473'
                                          'artist'  'circus'
                                     'text_people'  ''
                                         'release'  'Progsoup 39'
                                           'title'  'dawn'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'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-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['new wave', 'jazz rock', 'progressive rock', 'french', 'glam rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '41'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '126.410'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 39'
'TBPM' (BPM (beats per minute))                     '126.410'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'dawn'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'circus'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '41'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['new wave', 'jazz rock', 'progressive rock', 'french', 'glam rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.766984'

========================== row from database ==========================
                                              'id'  1409831
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 39/2287 circus - dawn.mp3
                                         'working'  None
                                         'bitrate'  278
                                    'duration_sec'  473
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  16483142
                                           'mtime'  1620737335
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2287 rock cppex progressive;set pl progspace
                                      'tag_artist'  circus
                                     'tag_release'  Progsoup 39
                                       'tag_title'  dawn
                                             'bpm'  126.41
                                    'search_title'  'dawn':1
                                   'search_artist'  'circus':1
                                  'search_release'  '39':2 'progsoup':1
                                     'search_rest'  '2287':3 'classicprogpsy':1 'cppex':5 'pl':10 'progressive':6,8 'progsoup':2 'progspace':11 'rock':4 'set':7,9
                                    'search_combo'  '2287':7 '39':4C 'circus':2B 'classicprogpsy':5 'cppex':9 'dawn':1A 'pl':14 'progressive':10,12 'progsoup':3C,6 'progspace':15 'rock':8 'set':11,13
                                    'tag_tracknum'  41
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['new wave', 'jazz rock', 'progressive rock', 'french', 'glam rock']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737334.5763123  (2021-05-11 14:48:54)
                             'size'  16483142