======================== unified (from filesystem) ========================
                                         'bitrate'  '203.77'
                                        'duration'  '459'
                                          'artist'  'Cog'
                                     'text_people'  ''
                                         'release'  'progsoup 59'
                                           'title'  'The River Song'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', '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'  ("['progressive rock', 'alternative rock', 'australian', 'rock', 'progressive "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '33'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '119.900'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'progsoup 59'
'TBPM' (BPM (beats per minute))                     '119.900'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'The River Song'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cog'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '33'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['progressive rock',
 'alternative rock',
 'australian',
 'rock',
 'progressive metal']
'TXXX:q-bass'                                       '4'
'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'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.338383'

========================== row from database ==========================
                                              'id'  1414263
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 59/3312 cog - the river song.mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  459
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  11818834
                                           'mtime'  1620737611
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 3312 cog the river song rock cppex progressive;set pl progspace
                                      'tag_artist'  Cog
                                     'tag_release'  progsoup 59
                                       'tag_title'  The River Song
                                             'bpm'  119.9
                                    'search_title'  'river':2 'song':3 'the':1
                                   'search_artist'  'cog':1
                                  'search_release'  '59':2 'progsoup':1
                                     'search_rest'  '3312':3 'classicprogpsy':1 'cog':4 'cppex':9 'pl':14 'progressive':10,12 'progsoup':2 'progspace':15 'river':6 'rock':8 'set':11,13 'song':7 'the':5
                                    'search_combo'  '3312':9 '59':6C 'classicprogpsy':7 'cog':4B,10 'cppex':15 'pl':20 'progressive':16,18 'progsoup':5C,8 'progspace':21 'river':2A,12 'rock':14 'set':17,19 'song':3A,13 'the':1A,11
                                    'tag_tracknum'  33
                                      'num_images'  1
                                             'key'  6A
                                           '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-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'alternative rock', 'australian', 'rock', 'progressive metal']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737610.7154925  (2021-05-11 14:53:30)
                             'size'  11818834