======================== unified (from filesystem) ========================
                                         'bitrate'  '320.009'
                                        'duration'  '369'
                                          'artist'  'Hol Baumann'
                                     'text_people'  ''
                                         'release'  'Human'
                                           'title'  'Radio Bombay Original Mix'
                                           '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-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['psychill', 'downtempo', 'psybient', 'ambient', 'electronic', 'chillout']"
                                     'discogstags'  "['electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-psychill'
                                             'bpm'  '118.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'POPM:no@email'                                     POPM(email='no@email', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Human'
'TBPM' (BPM (beats per minute))                     '118.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-psychill'
'TDRC' (Recording time)                             '2008'
'TIT1' (Content group description)                  '3'
'TIT2' (Title/songname/content description)         'Radio Bombay Original Mix'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hol Baumann'
'TRCK' (Track number/Position in set)               '3'
'TXXX:DATE'                                         '2008'
'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', 'ambient']
'TXXX:lastfmtags'                                   ['psychill', 'downtempo', 'psybient', 'ambient', 'electronic', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '-2.39 dB'
'TXXX:replaygain_track_peak'                        '0.735791'

========================== row from database ==========================
                                              'id'  1303453
                                            'path'  /data/Music/Bulk/00poprockelectronic/Chronos - chillout-dub/hol baumann - radio bombay original mix.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  369
                                           'genre'  electronic-psychill
                                        'filesize'  14791653
                                           'mtime'  1636912632
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Chronos chillout dub hol baumann radio bombay original mix electronic psychill
                                      'tag_artist'  Hol Baumann
                                     'tag_release'  Human
                                       'tag_title'  Radio Bombay Original Mix
                                             'bpm'  118.9
                                    'search_title'  'bombay':2 'mix':4 'original':3 'radio':1
                                   'search_artist'  'baumann':2 'hol':1
                                  'search_release'  'human':1
                                     'search_rest'  '00poprockelectronic':1 'baumann':6 'bombay':8 'chillout':3 'chronos':2 'dub':4 'electronic':11 'hol':5 'mix':10 'original':9 'psychill':12 'radio':7
                                    'search_combo'  '00poprockelectronic':8 'baumann':6B,13 'bombay':2A,15 'chillout':10 'chronos':9 'dub':11 'electronic':18 'hol':5B,12 'human':7C 'mix':4A,17 'original':3A,16 'psychill':19 'radio':1A,14
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychill', 'downtempo', 'psybient', 'ambient', 'electronic', 'chillout']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1636912632.1189373  (2021-11-14 18:57:12)
                             'size'  14791653