======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '164'
                                          'artist'  'The Scramblers'
                                     'text_people'  ''
                                         'release'  'Motorcycle Scramble'
                                           'title'  '3.Bonneville'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'hot rod', 'two or more artists with the same name']"
                                     'discogstags'  "['surf', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '145.580'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000CE3 0000006C 00004D7F 00'
'COMM:iTunNORM:eng'                                 (' 00000CE3 0000006C 00004D7F 000025AD 00025D1A 0001731F 0000690C 0000702C '
 '0001C663 000050D0')
'TALB' (Album/Movie/Show title)                     'Motorcycle Scramble'
'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'iTunes v4.7.1'
'TIT2' (Title/songname/content description)         '3.Bonneville'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Scramblers'
'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'                                  ['surf', 'rock']
'TXXX:lastfmtags'                                   ['surf', 'hot rod', 'two or more artists with the same name']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.609960'

========================== row from database ==========================
                                              'id'  1417127
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/The Hornets - Motorcycle Scramble/3.Bonneville.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  164
                                           'genre'  rock-pop-surf
                                        'filesize'  2631948
                                           'mtime'  1620737167
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Hornets rock pop surf
                                      'tag_artist'  The Scramblers
                                     'tag_release'  Motorcycle Scramble
                                       'tag_title'  3.Bonneville
                                             'bpm'  145.58
                                    'search_title'  '3':1 '3bonneville':3 'bonneville':2
                                   'search_artist'  'scramblers':2 'the':1
                                  'search_release'  'motorcycle':1 'scramble':2
                                     'search_rest'  'garage':2 'hornets':5 'pop':7 'punk':1 'rock':6 'stoner':4 'surf':3
                                    'search_combo'  '3':1A '3bonneville':3A 'bonneville':2A 'garage':9 'hornets':12 'motorcycle':6C 'pop':14 'punk':8 'rock':13 'scramble':7C 'scramblers':5B 'stoner':11 'surf':10 'the':4B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'hot rod', 'two or more artists with the same name']
                                        'tag_date'  1965
                                     'discogstags'  ['surf', 'rock']

============================== file details ==============================
                                           'mtime'  1620737166.8210697  (2021-05-11 14:46:06)
                             'size'  2631948