======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '178'
                                          'artist'  'Rube Lacy'
                                     'text_people'  'Rube Lacy'
                                         'release'  "Screamin' & Hollerin' The Blues: The Worlds Of Charley Patton [Disc 6]"
                                           'title'  'Ham Hound Crave'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-1', 'q-chart-2', 'q-drums-1', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'delta blues', '1402fh', 'dirty old blues']"
                                     'discogstags'  "['country blues', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '24'
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '116.924'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000864 00000864 00006B50 00006B50 000037EB 000037EB 00006F57 00006F56 '
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'COMM:iTunPGAP:eng'                                 '0'
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'COMM:iTunes_CDDB_IDs:eng'                          '24+9CEB8829A76F03A4B0CF7B5B4312F9CE+1553565'
'TALB' (Album/Movie/Show title)                     "Screamin' & Hollerin' The Blues: The Worlds Of Charley Patton [Disc 6]"
'TBPM' (BPM (beats per minute))                     '116.924'
'TCOM' (Composer)                                   'Rube Lacy'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1928'
'TENC' (Encoded by)                                 'iTunes v7.5'
'TIT2' (Title/songname/content description)         'Ham Hound Crave'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rube Lacy'
'TPOS' (Part of a set)                              '6/7'
'TRCK' (Track number/Position in set)               '4/24'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['country blues', 'blues']
'TXXX:lastfmtags'                                   ['blues', 'delta blues', '1402fh', 'dirty old blues']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.57 dB'
'TXXX:replaygain_track_peak'                        '0.362158'

========================== row from database ==========================
                                              'id'  765189
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Rube Lacy - Ham Hound Crave2.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  178
                                           'genre'  set-th-novelty
                                        'filesize'  4297447
                                           'mtime'  1620343092
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] Crave2 set th novelty
                                      'tag_artist'  Rube Lacy
                                     'tag_release'  Screamin' & Hollerin' The Blues: The Worlds Of Charley Patton [Disc 6]
                                       'tag_title'  Ham Hound Crave
                                             'bpm'  116.924
                                    'search_title'  'crave':3 'ham':1 'hound':2
                                   'search_artist'  'lacy':2 'rube':1
                                  'search_release'  '6':14,15 'blues':6,7 'charley':10 'disc':12,13 'hollerin':3,4 'of':9 'patton':11 'screamin':1,2 'the':5 'worlds':8
                                     'search_rest'  'baby':8,9 'chow':6,7 'country':4 'crave2':10 'exotica':2 'jazz':1 'novelty':13 'oldies':3 'set':11 'th':12 'zimelis':5
                                    'search_combo'  '6':19C,20C 'baby':28,29 'blues':11C,12C 'charley':15C 'chow':26,27 'country':24 'crave':3A 'crave2':30 'disc':17C,18C 'exotica':22 'ham':1A 'hollerin':8C,9C 'hound':2A 'jazz':21 'lacy':5B 'novelty':33 'of':14C 'oldies':23 'patton':16C 'rube':4B 'screamin':6C,7C 'set':31 'th':32 'the':10C 'worlds':13C 'zimelis':25
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  3A
                                           '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'delta blues', '1402fh', 'dirty old blues']
                                        'tag_date'  1928
                                     'discogstags'  ['country blues', 'blues']

============================== file details ==============================
                                           'mtime'  1620343092.2467396  (2021-05-07 01:18:12)
                             'size'  4297447