======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '142'
                                          'artist'  'Jerry & Jeff (aka R. Cordell & B. Bloom)'
                                     'text_people'  ''
                                         'release'  'sweets'
                                           'title'  ('Sweet Sweet Loving You (Super K 101, 1969; wr. & pr. B. Gentry, R. Cordell & '
 'B. Bloom; Big Kahoona Prod.; exec. pr. Jerry Kasenetz & Jeff Katz)')
                                           'quals'  ("['Q-GRIT-2', 'Q-SYN-3', 'Q-BUSY-3', 'Q-CHART-2', 'Q-HAP-3', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'Q-PLAY-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-MIXBEAT-2', 'q-bass-4', 'q-drums-3', 'q-other-2', 'q-piano-1', "
 "'q-vocals-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '143.416'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:Amadeus II 3.5:pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA'  PRIV(owner='Amadeus II 3.5', data=b'pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA')
'TALB' (Album/Movie/Show title)                     'sweets'
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TENC' (Encoded by)                                 'Amadeus II'
'TIT2' (Title/songname/content description)         ('Sweet Sweet Loving You (Super K 101, 1969; wr. & pr. B. Gentry, R. Cordell & '
 'B. Bloom; Big Kahoona Prod.; exec. pr. Jerry Kasenetz & Jeff Katz)')
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jerry & Jeff (aka R. Cordell & B. Bloom)'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.05 dB'
'TXXX:replaygain_track_peak'                        '0.466892'

========================== row from database ==========================
                                              'id'  735859
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Jerry & Jeff (aka R. Cordell & B. Bloom) - Sweet Sweet Loving You (Super K 101, 1969; wr. & pr. B. Gentry, R. Cordell & B. Bloom; Big Kahoona Prod.; exec. pr. Jerry Kasenetz & Jeff Katz).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  142
                                           'genre'  set-th-candy
                                        'filesize'  3416189
                                           'mtime'  1622638113
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country set th candy
                                      'tag_artist'  Jerry & Jeff (aka R. Cordell & B. Bloom)
                                     'tag_release'  sweets
                                       'tag_title'  Sweet Sweet Loving You (Super K 101, 1969; wr. & pr. B. Gentry, R. Cordell & B. Bloom; Big Kahoona Prod.; exec. pr. Jerry Kasenetz & Jeff Katz)
                                             'bpm'  143.416
                                    'search_title'  '101':7,8 '1969':9,10 'b':15,16 'big':24 'bloom':22,23 'cordell':21 'exec':28,29 'gentry':17,18 'jeff':32 'jerry':30 'k':6 'kahoona':25 'kasenetz':31 'katz':33,34 'loving':2 'pr':13,14 'prod':26,27 'r':19,20 'super':4,5 'sweet':1 'wr':11,12 'you':3
                                   'search_artist'  'aka':3,4 'b':8,9 'bloom':10,11 'cordell':7 'jeff':2 'jerry':1 'r':5,6
                                  'search_release'  'sweets':1
                                     'search_rest'  'candy':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'set':5 'th':6
                                    'search_combo'  '101':7A,8A '1969':9A,10A 'aka':37B,38B 'b':15A,16A,42B,43B 'big':24A 'bloom':22A,23A,44B,45B 'candy':53 'cordell':21A,41B 'country':50 'exec':28A,29A 'exotica':48 'gentry':17A,18A 'jazz':47 'jeff':32A,36B 'jerry':30A,35B 'k':6A 'kahoona':25A 'kasenetz':31A 'katz':33A,34A 'loving':2A 'oldies':49 'pr':13A,14A 'prod':26A,27A 'r':19A,20A,39B,40B 'set':51 'super':4A,5A 'sweet':1A 'sweets':46C 'th':52 'wr':11A,12A 'you':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-3', 'Q-SYN-3', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622638113.4901724  (2021-06-02 14:48:33)
                             'size'  3416189