======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '344'
                                          'artist'  'Bb Sally'
                                     'text_people'  ''
                                         'release'  'Italo'
                                           'title'  "Melanie's Melody (Extended Version)"
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '117.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x88\x11\x00\x00'                PRIV(owner='AverageLevel', data=b'\x88\x11\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Italo'
'TBPM' (BPM (beats per minute))                     '117.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TIT2' (Title/songname/content description)         "Melanie's Melody (Extended Version)"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bb Sally'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.98 dB'
'TXXX:replaygain_track_peak'                        '0.776320'

========================== row from database ==========================
                                              'id'  1502127
                                            'path'  /data/Music/Bulk/00poprockelectronic/Italo/Bb Sally - Melanie_s Melody (Extended Version).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  344
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  5515269
                                           'mtime'  1620569892
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Melanie_s electronic we disco or italo
                                      'tag_artist'  Bb Sally
                                     'tag_release'  Italo
                                       'tag_title'  Melanie's Melody (Extended Version)
                                             'bpm'  117.7
                                    'search_title'  'extended':5,6 'melanie':1 'melanies':3 'melody':4 's':2 'version':7,8
                                   'search_artist'  'bb':1 'sally':2
                                  'search_release'  'italo':1
                                     'search_rest'  '00poprockelectronic':1 'disco':6 'electronic':4 'italo':8 'melanie':2 'or':7 's':3 'we':5
                                    'search_combo'  '00poprockelectronic':12 'bb':9B 'disco':17 'electronic':15 'extended':5A,6A 'italo':11C,19 'melanie':1A,13 'melanies':3A 'melody':4A 'or':18 's':2A,14 'sally':10B 'version':7A,8A 'we':16
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569892.3503122  (2021-05-09 16:18:12)
                             'size'  5515269