======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '283'
                                          'artist'  'Rob Hubbard'
                                     'text_people'  ''
                                         'release'  'Rob Hubbard, c64 computer'
                                           'title'  'Bangkok Knights Theme'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['video game music', 'c64', 'chiptune', 'game music', 'sid']"
                                     'discogstags'  "['soundtrack', 'electronic', 'chiptune']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '125.470'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Rob Hubbard, c64 computer'
'TBPM' (BPM (beats per minute))                     '125.470'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TIT2' (Title/songname/content description)         'Bangkok Knights Theme'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rob Hubbard'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['soundtrack', 'electronic', 'chiptune']
'TXXX:lastfmtags'                                   ['video game music', 'c64', 'chiptune', 'game music', 'sid']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.06 dB'
'TXXX:replaygain_track_peak'                        '0.511644'

========================== row from database ==========================
                                              'id'  1283259
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/Rob Hubbard/Rob Hubbard, c64 computer/Bangkok Knights Theme.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  283
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  4538230
                                           'mtime'  1621627789
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy electronic we beeps or chip or pico
                                      'tag_artist'  Rob Hubbard
                                     'tag_release'  Rob Hubbard, c64 computer
                                       'tag_title'  Bangkok Knights Theme
                                             'bpm'  125.47
                                    'search_title'  'bangkok':1 'knights':2 'theme':3
                                   'search_artist'  'hubbard':2 'rob':1
                                  'search_release'  'c64':4 'computer':5 'hubbard':2,3 'rob':1
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 'beeps':5 'chip':7 'electronic':3 'or':6 'pico':8 'we':4
                                    'search_combo'  '00beepy':12 '00poprockelectronic':11 'bangkok':1A 'beeps':15 'c64':9C 'chip':17 'computer':10C 'electronic':13 'hubbard':5B,7C,8C 'knights':2A 'or':16 'pico':18 'rob':4B,6C 'theme':3A 'we':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['video game music', 'c64', 'chiptune', 'game music', 'sid']
                                        'tag_date'  
                                     'discogstags'  ['soundtrack', 'electronic', 'chiptune']

============================== file details ==============================
                                           'mtime'  1621627789.2650506  (2021-05-21 22:09:49)
                             'size'  4538230