======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '170'
                                          'artist'  'Charlie "Boogie Woogie" Davis'
                                     'text_people'  ''
                                         'release'  'Twisted Tales From The Vinyl Wastelands Vol. 13 - Home on Alcatraz'
                                           'title'  'San Quentin Bait'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['boogie woogie', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'rock-pop-early'
                                             'bpm'  '88.399'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Twisted Tales From The Vinyl Wastelands Vol. 13 - Home on Alcatraz'
'TBPM' (BPM (beats per minute))                     '88.399'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'San Quentin Bait'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Charlie "Boogie Woogie" Davis'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '23'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['boogie woogie', 'blues']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.428910'

========================== row from database ==========================
                                              'id'  1513420
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/va - Twisted Tales From The Vinyl Wastelands Vol. 13 - Home on Alcatraz/23 Charlie _Boogie Woogie_ Davis - San Quentin Bait.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  170
                                           'genre'  rock-pop-early
                                        'filesize'  6811942
                                           'mtime'  1620736843
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va 23 _Boogie Woogie_ rock pop early
                                      'tag_artist'  Charlie "Boogie Woogie" Davis
                                     'tag_release'  Twisted Tales From The Vinyl Wastelands Vol. 13 - Home on Alcatraz
                                       'tag_title'  San Quentin Bait
                                             'bpm'  88.399
                                    'search_title'  'bait':3 'quentin':2 'san':1
                                   'search_artist'  'boogie':2 'charlie':1 'davis':4 'woogie':3
                                  'search_release'  'alcatraz':11 'from':3 'home':9 'on':10 'tales':2 'the':4 'twisted':1 'vinyl':5 'vol':7,8 'wastelands':6
                                     'search_rest'  '23':6 'boogie':7 'country':4 'early':11 'exotica':2 'jazz':1 'oldies':3 'pop':10 'rock':9 'va':5 'woogie':8
                                    'search_combo'  '23':24 'alcatraz':18C 'bait':3A 'boogie':5B,25 'charlie':4B 'country':22 'davis':7B 'early':29 'exotica':20 'from':10C 'home':16C 'jazz':19 'oldies':21 'on':17C 'pop':28 'quentin':2A 'rock':27 'san':1A 'tales':9C 'the':11C 'twisted':8C 'va':23 'vinyl':12C 'vol':14C,15C 'wastelands':13C 'woogie':6B,26
                                    'tag_tracknum'  23
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1955
                                     'discogstags'  ['boogie woogie', 'blues']

============================== file details ==============================
                                           'mtime'  1620736842.5197184  (2021-05-11 14:40:42)
                             'size'  6811942