======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '121'
                                          'artist'  'Twink'
                                     'text_people'  ''
                                         'release'  'The Broken Record'
                                           'title'  'Grandmother Meets the Wolf'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['instrumental', 'toy piano', 'psychedelic rock', 'experimental', "
 "'psychedelic']")
                                     'discogstags'  "['hard house', 'electronic', 'euro house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  '21'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '133.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Broken Record'
'TBPM' (BPM (beats per minute))                     '133.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TIT2' (Title/songname/content description)         'Grandmother Meets the Wolf'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Twink'
'TPE2' (Band/orchestra/accompaniment)               'Twink'
'TRCK' (Track number/Position in set)               '20/21'
'TXXX:DATE'                                         '2005'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['hard house', 'electronic', 'euro house']
'TXXX:lastfmtags'                                   ['instrumental', 'toy piano', 'psychedelic rock', 'experimental', 'psychedelic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.12 dB'
'TXXX:replaygain_track_peak'                        '0.520846'

========================== row from database ==========================
                                              'id'  919363
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/twink/twink - the broken record/Twink - The Broken Record - 20 - Grandmother Meets The Wolf.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  121
                                           'genre'  electronic-experimental
                                        'filesize'  2439168
                                           'mtime'  1636917391
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm twink twink broken record 20 electronic experimental
                                      'tag_artist'  Twink
                                     'tag_release'  The Broken Record
                                       'tag_title'  Grandmother Meets the Wolf
                                             'bpm'  133.4
                                    'search_title'  'grandmother':1 'meets':2 'the':3 'wolf':4
                                   'search_artist'  'twink':1
                                  'search_release'  'broken':2 'record':3 'the':1
                                     'search_rest'  '20':4 'broken':2 'electronic':5 'experimental':6 'record':3 'twink':1
                                    'search_combo'  '20':12 'broken':7C,10 'electronic':13 'experimental':14 'grandmother':1A 'meets':2A 'record':8C,11 'the':3A,6C 'twink':5B,9 'wolf':4A
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'toy piano', 'psychedelic rock', 'experimental', 'psychedelic']
                                        'tag_date'  2005
                                     'discogstags'  ['hard house', 'electronic', 'euro house']

============================== file details ==============================
                                           'mtime'  1636917391.1607964  (2021-11-14 20:16:31)
                             'size'  2439168