======================== unified (from filesystem) ========================
                                         'bitrate'  '160.635'
                                        'duration'  '265'
                                          'artist'  'Prince and the New Power Generation'
                                     'text_people'  ''
                                         'release'  'The Jams (The Love Symbol Album)'
                                           'title'  'Damn U'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'prince', 'pop', 'funk', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '18'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk-pop'
                                             'bpm'  '123.632'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'E5119012'
'COMM:ID3v1 Comment:XXX'                            'E5119012'
'TALB' (Album/Movie/Show title)                     'The Jams (The Love Symbol Album)'
'TBPM' (BPM (beats per minute))                     '123.632'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk-pop'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Damn U'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Prince and the New Power Generation'
'TRCK' (Track number/Position in set)               '11/18'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 4, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', 'prince', 'pop', 'funk', 'soul']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.17 dB'
'TXXX:replaygain_track_peak'                        '0.635549'

========================== row from database ==========================
                                              'id'  791205
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Prince/The Jams (The Love Symbol Album)/Prince and The New Power Generation - 11 - Damn U.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  265
                                           'genre'  funk or soul-funk-pop
                                        'filesize'  5333091
                                           'mtime'  1620531442
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 11 funk or soul funk pop
                                      'tag_artist'  Prince and the New Power Generation
                                     'tag_release'  The Jams (The Love Symbol Album)
                                       'tag_title'  Damn U
                                             'bpm'  123.632
                                    'search_title'  'damn':1 'u':2
                                   'search_artist'  'and':2 'generation':6 'new':4 'power':5 'prince':1 'the':3
                                  'search_release'  'album':6,7 'jams':2 'love':4 'symbol':5 'the':1,3
                                     'search_rest'  'country':4 'exotica':2 'funk':5 'jazz':1 'oldies':3 'or':6 'pop':8 'soul':7
                                    'search_combo'  'album':14C,15C 'and':4B 'country':19 'damn':1A 'exotica':17 'funk':20 'generation':8B 'jams':10C 'jazz':16 'love':12C 'new':6B 'oldies':18 'or':21 'pop':23 'power':7B 'prince':3B 'soul':22 'symbol':13C 'the':5B,9C,11C 'u':2A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'prince', 'pop', 'funk', 'soul']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620531442.2407882  (2021-05-09 05:37:22)
                             'size'  5333091