======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '518'
                                          'artist'  'will o the wisp'
                                     'text_people'  ''
                                         'release'  'progsoup 50'
                                           'title'  '  inward reflections'
                                           '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-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['psychill', 'ambient', 'psybient', 'downtempo', 'spacestation']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '28'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '144.233'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '2847'
'COMM:ID3v1 Comment:XXX'                            '2847'
'MCDI' (Music CD identifier)                        MCDI(data=b'8\x00+\x009\x006\x00+\x005\x007\x008\x00F\x00+\x009\x00B\x00C\x00C\x00+\x001\x001\x003\x004\x002\x00+\x001\x005\x008\x004\x003\x00+\x001\x00B\x008\x00A\x003\x00+\x002\x005\x000\x00E\x002\x00+\x002\x00C\x000\x003\x00A\x00+\x002\x00F\x00F\x002\x008\x00\x00\x00')
'PRIV:AverageLevel:{\x1d\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1d\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'progsoup 50'
'TBPM' (BPM (beats per minute))                     '144.233'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         '  inward reflections'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '519666'
'TPE1' (Lead performer(s)/Soloist(s))               'will o the wisp'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '28'
'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'                                   ['psychill', 'ambient', 'psybient', 'downtempo', 'spacestation']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.44 dB'
'TXXX:replaygain_track_peak'                        '0.442084'

========================== row from database ==========================
                                              'id'  1409588
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 50/2847 will o the wisp -  inward reflections.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  518
                                           'genre'  rock-cppex-progressive
                                        'filesize'  12456744
                                           'mtime'  1620737527
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 2847 rock cppex progressive
                                      'tag_artist'  will o the wisp
                                     'tag_release'  progsoup 50
                                       'tag_title'    inward reflections
                                             'bpm'  144.233
                                    'search_title'  'inward':1 'reflections':2
                                   'search_artist'  'o':2 'the':3 'will':1 'wisp':4
                                  'search_release'  '50':2 'progsoup':1
                                     'search_rest'  '2847':3 'classicprogpsy':1 'cppex':5 'progressive':6 'progsoup':2 'rock':4
                                    'search_combo'  '2847':11 '50':8C 'classicprogpsy':9 'cppex':13 'inward':1A 'o':4B 'progressive':14 'progsoup':7C,10 'reflections':2A 'rock':12 'the':5B 'will':3B 'wisp':6B
                                    'tag_tracknum'  28
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['psychill', 'ambient', 'psybient', 'downtempo', 'spacestation']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737526.7180903  (2021-05-11 14:52:06)
                             'size'  12456744