======================== unified (from filesystem) ========================
                                         'bitrate'  '219.582'
                                        'duration'  '503'
                                          'artist'  'Solar Fields'
                                     'text_people'  ''
                                         'release'  'Leaving Home'
                                           'title'  'Insum'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['downtempo', 'psychill', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-psychill'
                                             'bpm'  '101.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'POPM:no@email'                                     POPM(email='no@email', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Leaving Home'
'TBPM' (BPM (beats per minute))                     '101.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-psychill'
'TDRC' (Recording time)                             '2005'
'TIT1' (Content group description)                  '3'
'TIT2' (Title/songname/content description)         'Insum'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Solar Fields'
'TRCK' (Track number/Position in set)               '03'
'TXXX:DATE'                                         '2005'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['downtempo', 'psychill', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.22 dB'
'TXXX:replaygain_track_peak'                        '0.698674'

========================== row from database ==========================
                                              'id'  1309852
                                            'path'  /data/Music/Bulk/00poprockelectronic/Chronos - chillout-dub/Solar Fields - Insum.mp3
                                         'working'  None
                                         'bitrate'  219
                                    'duration_sec'  503
                                           'genre'  electronic-psychill
                                        'filesize'  13816547
                                           'mtime'  1636912581
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Chronos chillout dub electronic psychill
                                      'tag_artist'  Solar Fields
                                     'tag_release'  Leaving Home
                                       'tag_title'  Insum
                                             'bpm'  101.7
                                    'search_title'  'insum':1
                                   'search_artist'  'fields':2 'solar':1
                                  'search_release'  'home':2 'leaving':1
                                     'search_rest'  '00poprockelectronic':1 'chillout':3 'chronos':2 'dub':4 'electronic':5 'psychill':6
                                    'search_combo'  '00poprockelectronic':6 'chillout':8 'chronos':7 'dub':9 'electronic':10 'fields':3B 'home':5C 'insum':1A 'leaving':4C 'psychill':11 'solar':2B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['downtempo', 'psychill', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636912580.5136724  (2021-11-14 18:56:20)
                             'size'  13816547