======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '250'
                                          'artist'  'Nick Mason'
                                     'text_people'  ''
                                         'release'  'Progsoup 32'
                                           'title'  'I Was Wrong'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['psychedelic rock', 'jazz rock', 'progressive rock', 'british', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '110.483'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 32'
'TBPM' (BPM (beats per minute))                     '110.483'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1981'
'TIT2' (Title/songname/content description)         'I Was Wrong'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nick Mason'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['psychedelic rock', 'jazz rock', 'progressive rock', 'british', 'experimental']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.52 dB'
'TXXX:replaygain_track_peak'                        '0.681036'

========================== row from database ==========================
                                              'id'  1507277
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 32/1841 nick mason_s fictitious sports  -  I Was Wrong.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  250
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  4007176
                                           'mtime'  1620737161
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1841 nick mason_s fictitious sports rock cppex progressive;set pl progspace
                                      'tag_artist'  Nick Mason
                                     'tag_release'  Progsoup 32
                                       'tag_title'  I Was Wrong
                                             'bpm'  110.483
                                    'search_title'  'i':1 'was':2 'wrong':3
                                   'search_artist'  'mason':2 'nick':1
                                  'search_release'  '32':2 'progsoup':1
                                     'search_rest'  '1841':3 'classicprogpsy':1 'cppex':10 'fictitious':7 'mason':5 'nick':4 'pl':15 'progressive':11,13 'progsoup':2 'progspace':16 'rock':9 's':6 'set':12,14 'sports':8
                                    'search_combo'  '1841':10 '32':7C 'classicprogpsy':8 'cppex':17 'fictitious':14 'i':1A 'mason':5B,12 'nick':4B,11 'pl':22 'progressive':18,20 'progsoup':6C,9 'progspace':23 'rock':16 's':13 'set':19,21 'sports':15 'was':2A 'wrong':3A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic rock', 'jazz rock', 'progressive rock', 'british', 'experimental']
                                        'tag_date'  1981
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737160.5456996  (2021-05-11 14:46:00)
                             'size'  4007176