======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '360'
                                          'artist'  'The Ten Tenors'
                                     'text_people'  ''
                                         'release'  'One Is Not Enough'
                                           'title'  'Bohemian Rhapsody'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-2', "
 "'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['classical', 'opera', 'greek music', 'the best', 'disney']"
                                     'discogstags'  "['pop', 'chanson']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '138.797'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'One Is Not Enough'
'TBPM' (BPM (beats per minute))                     '138.797'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Bohemian Rhapsody'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Ten Tenors'
'TPE2' (Band/orchestra/accompaniment)               'The Ten Tenors'
'TRCK' (Track number/Position in set)               '3'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.82.01, LAME dll 3.92, 192 Kbit/s, Joint Stereo, High quality'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop', 'chanson']
'TXXX:lastfmtags'                                   ['classical', 'opera', 'greek music', 'the best', 'disney']
'TXXX:original release date'                        ['2002', '2003']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.333775'

========================== row from database ==========================
                                              'id'  1335632
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/The Ten Tenors - One Is Not Enough - 03 - Bohemian Rhapsody.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  360
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  8650754
                                           'mtime'  1637329821
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 03 prerock classical classical instruments
                                      'tag_artist'  The Ten Tenors
                                     'tag_release'  One Is Not Enough
                                       'tag_title'  Bohemian Rhapsody
                                             'bpm'  138.797
                                    'search_title'  'bohemian':1 'rhapsody':2
                                   'search_artist'  'ten':2 'tenors':3 'the':1
                                  'search_release'  'enough':4 'is':2 'not':3 'one':1
                                     'search_rest'  '00poprockelectronic':1 'classical':8 'files':5,6 'instruments':9 'loose':3,4 'prerock':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 'bohemian':1A 'classical':17 'enough':9C 'files':14,15 'instruments':18 'is':7C 'loose':12,13 'not':8C 'one':6C 'prerock':16 'rhapsody':2A 'ten':4B 'tenors':5B 'the':3B 'unsorted':11
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['classical', 'opera', 'greek music', 'the best', 'disney']
                                        'tag_date'  2003
                                     'discogstags'  ['pop', 'chanson']

============================== file details ==============================
                                           'mtime'  1637329820.9877734  (2021-11-19 14:50:20)
                             'size'  8650754