======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '227'
                                          'artist'  'Meco'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Star Wars Theme'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['star wars', 'instrumental', 'pop', 'funk', 'disco']"
                                     'discogstags'  "['house', 'electronic', 'tech house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  '26'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '124.852'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '124.852'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         'Star Wars Theme'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Meco'
'TRCK' (Track number/Position in set)               '21/26'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.96, 192 Kbit/s, Joint Stereo, High quality'
'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'                                  ['house', 'electronic', 'tech house']
'TXXX:lastfmtags'                                   ['star wars', 'instrumental', 'pop', 'funk', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.25 dB'
'TXXX:replaygain_track_peak'                        '0.472054'

========================== row from database ==========================
                                              'id'  1338928
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/artist - Meco - Star Wars Theme.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  227
                                           'genre'  funk or soul
                                        'filesize'  5474269
                                           'mtime'  1628357928
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean artist funk or soul
                                      'tag_artist'  Meco
                                     'tag_release'  None
                                       'tag_title'  Star Wars Theme
                                             'bpm'  124.852
                                    'search_title'  'star':1 'theme':3 'wars':2
                                   'search_artist'  'meco':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'artist':3 'clean':2 'funk':4 'or':5 'soul':6
                                    'search_combo'  '00poprockelectronic':5 'artist':7 'clean':6 'funk':8 'meco':4B 'or':9 'soul':10 'star':1A 'theme':3A 'wars':2A
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['star wars', 'instrumental', 'pop', 'funk', 'disco']
                                        'tag_date'  
                                     'discogstags'  ['house', 'electronic', 'tech house']

============================== file details ==============================
                                           'mtime'  1628357928.0910633  (2021-08-07 19:38:48)
                             'size'  5474269