======================== unified (from filesystem) ========================
                                         'bitrate'  '197.853'
                                        'duration'  '276'
                                          'artist'  'Lou Reed'
                                     'text_people'  ''
                                         'release'  'Berlin'
                                           'title'  'Men Of Good Fortune'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['glam rock', 'proto punk', 'classic rock', 'singer songwriter', 'rock']"
                                     'discogstags'  "['rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '144.438'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Berlin'
'TBPM' (BPM (beats per minute))                     '144.438'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'Men Of Good Fortune'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lou Reed'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'classic rock']
'TXXX:lastfmtags'                                   ['glam rock', 'proto punk', 'classic rock', 'singer songwriter', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.84 dB'
'TXXX:replaygain_track_peak'                        '0.741215'

========================== row from database ==========================
                                              'id'  1410011
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Lou Reed/Berlin/Lou Reed - [Berlin] - 03 - Men Of Good Fortune.mp3
                                         'working'  None
                                         'bitrate'  197
                                    'duration_sec'  276
                                           'genre'  rock-cppex-classic
                                        'filesize'  6852610
                                           'mtime'  1636038770
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy [Berlin] 03 rock cppex classic
                                      'tag_artist'  Lou Reed
                                     'tag_release'  Berlin
                                       'tag_title'  Men Of Good Fortune
                                             'bpm'  144.438
                                    'search_title'  'fortune':4 'good':3 'men':1 'of':2
                                   'search_artist'  'lou':1 'reed':2
                                  'search_release'  'berlin':1
                                     'search_rest'  'berlin':2,3 'classic':6 'classicprogpsy':1 'cppex':5 'rock':4
                                    'search_combo'  'berlin':7C,9,10 'classic':13 'classicprogpsy':8 'cppex':12 'fortune':4A 'good':3A 'lou':5B 'men':1A 'of':2A 'reed':6B 'rock':11
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['glam rock', 'proto punk', 'classic rock', 'singer songwriter', 'rock']
                                        'tag_date'  1973
                                     'discogstags'  ['rock', 'classic rock']

============================== file details ==============================
                                           'mtime'  1636038770.4607217  (2021-11-04 16:12:50)
                             'size'  6852610