======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '147'
                                          'artist'  'TOP SHELF  Timmie Rogers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ('Chum Goy Yum Toy Fricasse - A Soy Soy Soo (Epic, 1965; wr. T. Rogers & A. '
 'Fields; arr. & cond. Sy Oliver; pr. Bob Morgan)')
                                           'quals'  ("['Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '100.257'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '100.257'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1960'
'TENC' (Encoded by)                                 'Lavf52.31.0'
'TIT2' (Title/songname/content description)         ('Chum Goy Yum Toy Fricasse - A Soy Soy Soo (Epic, 1965; wr. T. Rogers & A. '
 'Fields; arr. & cond. Sy Oliver; pr. Bob Morgan)')
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'TOP SHELF  Timmie Rogers'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.96 dB'
'TXXX:replaygain_track_peak'                        '0.574847'

========================== row from database ==========================
                                              'id'  765882
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/TOP SHELF  Timmie Rogers - Chum Goy Yum Toy Fricasse - A Soy Soy Soo (Epic, 1965; wr. T. Rogers & A. Fields; arr. & cond. Sy Oliver; pr. Bob Morgan).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  147
                                           'genre'  set-th-novelty
                                        'filesize'  3541258
                                           'mtime'  1620343094
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  TOP SHELF  Timmie Rogers
                                     'tag_release'  None
                                       'tag_title'  Chum Goy Yum Toy Fricasse - A Soy Soy Soo (Epic, 1965; wr. T. Rogers & A. Fields; arr. & cond. Sy Oliver; pr. Bob Morgan)
                                             'bpm'  100.257
                                    'search_title'  '1965':11,12 'a':6,18 'arr':21,22 'bob':30 'chum':1 'cond':23,24 'epic':9,10 'fields':19,20 'fricasse':5 'goy':2 'morgan':31,32 'oliver':26,27 'pr':28,29 'rogers':17 'soo':8 'soy':7 'sy':25 't':15,16 'toy':4 'wr':13,14 'yum':3
                                   'search_artist'  'rogers':4 'shelf':2 'timmie':3 'top':1
                                  'search_release'  
                                     'search_rest'  'baby':8,9 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':12 'oldies':3 'set':10 'th':11 'zimelis':5
                                    'search_combo'  '1965':11A,12A 'a':6A,18A 'arr':21A,22A 'baby':44,45 'bob':30A 'chow':42,43 'chum':1A 'cond':23A,24A 'country':40 'epic':9A,10A 'exotica':38 'fields':19A,20A 'fricasse':5A 'goy':2A 'jazz':37 'morgan':31A,32A 'novelty':48 'oldies':39 'oliver':26A,27A 'pr':28A,29A 'rogers':17A,36B 'set':46 'shelf':34B 'soo':8A 'soy':7A 'sy':25A 't':15A,16A 'th':47 'timmie':35B 'top':33B 'toy':4A 'wr':13A,14A 'yum':3A 'zimelis':41
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343094.0505204  (2021-05-07 01:18:14)
                             'size'  3541258