======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '127'
                                          'artist'  'The Ventures'
                                     'text_people'  ''
                                         'release'  'The Best Of The Ventures'
                                           'title'  "Walk, Don't Run"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'instrumental', '60s', 'surf rock', 'rock']"
                                     'discogstags'  "['rock', 'surf', 'rock & roll']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '15'
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '103.961'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Best Of The Ventures'
'TBPM' (BPM (beats per minute))                     '103.961'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDRC' (Recording time)                             '1987'
'TENC' (Encoded by)                                 'HawkFan'
'TIT2' (Title/songname/content description)         "Walk, Don't Run"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Ventures'
'TRCK' (Track number/Position in set)               '8/15'
'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', 'surf', 'rock & roll']
'TXXX:lastfmtags'                                   ['surf', 'instrumental', '60s', 'surf rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.32 dB'
'TXXX:replaygain_track_peak'                        '0.512349'

========================== row from database ==========================
                                              'id'  1521859
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/The Best Of The Ventures/08 Walk, Don_t Run.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  127
                                           'genre'  rock-pop-surf
                                        'filesize'  3059628
                                           'mtime'  1620737144
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 08 Don_t rock pop surf
                                      'tag_artist'  The Ventures
                                     'tag_release'  The Best Of The Ventures
                                       'tag_title'  Walk, Don't Run
                                             'bpm'  103.961
                                    'search_title'  'don':3 'dont':5 'run':6 't':4 'walk':1,2
                                   'search_artist'  'the':1 'ventures':2
                                  'search_release'  'best':2 'of':3 'the':1 'ventures':4
                                     'search_rest'  'don':5 'garage':2 'pop':8 'punk':1 'rock':7 'stoner':4 'surf':3 't':6
                                    'search_combo'  'best':10C 'don':3A,17 'dont':5A 'garage':14 'of':11C 'pop':20 'punk':13 'rock':19 'run':6A 'stoner':16 'surf':15 't':4A,18 'the':7B,9C 'ventures':8B,12C 'walk':1A,2A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'instrumental', '60s', 'surf rock', 'rock']
                                        'tag_date'  1987
                                     'discogstags'  ['rock', 'surf', 'rock & roll']

============================== file details ==============================
                                           'mtime'  1620737143.8315606  (2021-05-11 14:45:43)
                             'size'  3059628