======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '147'
                                          'artist'  'Johnny Knight'
                                     'text_people'  ''
                                         'release'  'Trashcan Records Vol. 05 - Hipsville'
                                           'title'  'Sixteen Days'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rockabilly', 'rock and roll', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '144.4'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Trashcan Records Vol. 05 - Hipsville'
'TBPM' (BPM (beats per minute))                     '144.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1960'
'TENC' (Encoded by)                                 'iTunes 8.2.0.23, QuickTime 7.6.2'
'TIT2' (Title/songname/content description)         'Sixteen Days'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Knight'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rockabilly', 'rock and roll', 'all']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.27 dB'
'TXXX:replaygain_track_peak'                        '0.406142'
'WXXX:'                                             WXXX(encoding=<Encoding.UTF16: 1>, desc='', url='http://www.avs4you.com')

========================== row from database ==========================
                                              'id'  1384397
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Moe Koffman Quintet - va - Trashcan Records Vol. 05 - Hipsville/02 - Johnny Knight - Sixteen Days (April) (No City Info Found).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  147
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  6239512
                                           'mtime'  1620536427
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The Moe Koffman Quintet va 02 (April) (No City Info Found) prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Johnny Knight
                                     'tag_release'  Trashcan Records Vol. 05 - Hipsville
                                       'tag_title'  Sixteen Days
                                             'bpm'  144.4
                                    'search_title'  'days':2 'sixteen':1
                                   'search_artist'  'johnny':1 'knight':2
                                  'search_release'  'hipsville':5 'records':2 'trashcan':1 'vol':3,4
                                     'search_rest'  'april':10,11 'bossa':21 'city':14 'country':4 'exotica':2 'found':16,17 'info':15 'jazz':1 'jb':19 'koffman':7 'lounge':20 'moe':6 'no':12,13 'oldies':3 'prerock':18 'quintet':8 'the':5 'va':9
                                    'search_combo'  'april':19,20 'bossa':30 'city':23 'country':13 'days':2A 'exotica':11 'found':25,26 'hipsville':9C 'info':24 'jazz':10 'jb':28 'johnny':3B 'knight':4B 'koffman':16 'lounge':29 'moe':15 'no':21,22 'oldies':12 'prerock':27 'quintet':17 'records':6C 'sixteen':1A 'the':14 'trashcan':5C 'va':18 'vol':7C,8C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rockabilly', 'rock and roll', 'all']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536427.2828429  (2021-05-09 07:00:27)
                             'size'  6239512