======================== unified (from filesystem) ========================
                                         'bitrate'  '94.149'
                                        'duration'  '199'
                                          'artist'  'frank sinatra'
                                     'text_people'  ''
                                         'release'  "Jon Savage's Teenage"
                                           'title'  'close to you (1943)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['easy listening', 'jazz', 'vocal jazz', 'oldies', 'swing']"
                                     'discogstags'  "['jazz', 'pop', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  ''
                                            'date'  '1943'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '143.416'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Jon Savage's Teenage"
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1943'
'TENC' (Encoded by)                                 'Lame 3.97'
'TIT2' (Title/songname/content description)         'close to you (1943)'
'TKEY' (Initial key)                                '12A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'frank sinatra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '23'
'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:discogstags'                                  ['jazz', 'pop', 'swing']
'TXXX:lastfmtags'                                   ['easy listening', 'jazz', 'vocal jazz', 'oldies', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.88 dB'
'TXXX:replaygain_track_peak'                        '0.514959'

========================== row from database ==========================
                                              'id'  978910
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/VA-Jon_Savages_Teenage-2009-BCC/23-frank_sinatra_-_close_to_you_(1943).mp3
                                         'working'  None
                                         'bitrate'  94
                                    'duration_sec'  199
                                           'genre'  prerock-swing
                                        'filesize'  2348251
                                           'mtime'  1620562717
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country VA Jon_Savages_Teenage 2009 BCC 23 frank_sinatra_ _close_to_you_(1943) prerock swing
                                      'tag_artist'  frank sinatra
                                     'tag_release'  Jon Savage's Teenage
                                       'tag_title'  close to you (1943)
                                             'bpm'  143.416
                                    'search_title'  '1943':4,5 'close':1 'to':2 'you':3
                                   'search_artist'  'frank':1 'sinatra':2
                                  'search_release'  'jon':1 's':3 'savage':2 'savages':4 'teenage':5
                                     'search_rest'  '1943':17,21 '2009':9 '23':11 'bcc':10 'close':14,18 'country':4 'exotica':2 'frank':12 'jazz':1 'jon':6 'oldies':3 'prerock':22 'savages':7 'sinatra':13 'swing':23 'teenage':8 'to':15,19 'va':5 'you':16,20
                                    'search_combo'  '1943':4A,5A,29,33 '2009':21 '23':23 'bcc':22 'close':1A,26,30 'country':16 'exotica':14 'frank':6B,24 'jazz':13 'jon':8C,18 'oldies':15 'prerock':34 's':10C 'savage':9C 'savages':11C,19 'sinatra':7B,25 'swing':35 'teenage':12C,20 'to':2A,27,31 'va':17 'you':3A,28,32
                                    'tag_tracknum'  23
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['easy listening', 'jazz', 'vocal jazz', 'oldies', 'swing']
                                        'tag_date'  1943
                                     'discogstags'  ['jazz', 'pop', 'swing']

============================== file details ==============================
                                           'mtime'  1620562716.8034415  (2021-05-09 14:18:36)
                             'size'  2348251