======================== unified (from filesystem) ========================
                                         'bitrate'  '169.79'
                                        'duration'  '174'
                                          'artist'  'duke ellington & cotton club orchestra'
                                     'text_people'  ''
                                         'release'  "Jon Savage's Teenage"
                                           'title'  'cotton club stomp (1929)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1929'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '119.758'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Jon Savage's Teenage"
'TBPM' (BPM (beats per minute))                     '119.758'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1929'
'TENC' (Encoded by)                                 'Lame 3.97'
'TIT2' (Title/songname/content description)         'cotton club stomp (1929)'
'TKEY' (Initial key)                                '3B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'duke ellington & cotton club orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.491872'

========================== row from database ==========================
                                              'id'  978901
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/VA-Jon_Savages_Teenage-2009-BCC/05-duke_ellington_and_cotton_club_orchestra_-_cotton_club_stomp_(1929).mp3
                                         'working'  None
                                         'bitrate'  169
                                    'duration_sec'  174
                                           'genre'  prerock-band
                                        'filesize'  3699291
                                           'mtime'  1620561416
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country VA Jon_Savages_Teenage 2009 BCC 05 duke_ellington_and_cotton_club_orchestra_ _cotton_club_stomp_(1929) prerock band
                                      'tag_artist'  duke ellington & cotton club orchestra
                                     'tag_release'  Jon Savage's Teenage
                                       'tag_title'  cotton club stomp (1929)
                                             'bpm'  119.758
                                    'search_title'  '1929':4,5 'club':2 'cotton':1 'stomp':3
                                   'search_artist'  'club':4 'cotton':3 'duke':1 'ellington':2 'orchestra':5
                                  'search_release'  'jon':1 's':3 'savage':2 'savages':4 'teenage':5
                                     'search_rest'  '1929':20,24 '2009':9 'and':13 'band':26 'bcc':10 'club':15,18,22 'cotton':14,17,21 'country':4 'duke':11 'ellington':12 'exotica':2 'jazz':1 'jon':6 'oldies':3 'orchestra':16 'prerock':25 'savages':7 'stomp':19,23 'teenage':8 'va':5
                                    'search_combo'  '1929':4A,5A,35,39 '2009':24 'and':28 'band':41 'bcc':25 'club':2A,9B,30,33,37 'cotton':1A,8B,29,32,36 'country':19 'duke':6B,26 'ellington':7B,27 'exotica':17 'jazz':16 'jon':11C,21 'oldies':18 'orchestra':10B,31 'prerock':40 's':13C 'savage':12C 'savages':14C,22 'stomp':3A,34,38 'teenage':15C,23 'va':20
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1929
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561415.9031017  (2021-05-09 13:56:55)
                             'size'  3699291