======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '195'
                                          'artist'  'Lonnie Johnson'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "He's a Jelly Roll Baker"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['guitar', 'mississippi blues', 'blues', 'jazz', 'classic blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-th-candy'
                                             'bpm'  '93.629'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '93.629'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted', 'set-th-candy']
'TENC' (Encoded by)                                 'Spade'
'TIT2' (Title/songname/content description)         "He's a Jelly Roll Baker"
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Lonnie Johnson'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 4.00, 128 Kbit/s, Mono, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['guitar', 'mississippi blues', 'blues', 'jazz', 'classic 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'                        '+2.81 dB'
'TXXX:replaygain_track_peak'                        '0.757586'

========================== row from database ==========================
                                              'id'  1515365
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Lonnie Johnson - He_s A Jelly Roll Baker.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  195
                                           'genre'  prerock-jb-jazz-unsorted;set-th-candy
                                        'filesize'  3132465
                                           'mtime'  1620538097
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets He_s A prerock jb jazz unsorted;set th candy
                                      'tag_artist'  Lonnie Johnson
                                     'tag_release'  None
                                       'tag_title'  He's a Jelly Roll Baker
                                             'bpm'  93.629
                                    'search_title'  'a':4 'baker':7 'he':1 'hes':3 'jelly':5 'roll':6 's':2
                                   'search_artist'  'johnson':2 'lonnie':1
                                  'search_release'  
                                     'search_rest'  'a':8 'candy':16 'country':4 'exotica':2 'he':6 'jazz':1 'jb':10 'oldies':3 'prerock':9 's':7 'set':12,14 'sweets':5 'th':15 'unsorted':11,13
                                    'search_combo'  'a':4A,17 'baker':7A 'candy':25 'country':13 'exotica':11 'he':1A,15 'hes':3A 'jazz':10 'jb':19 'jelly':5A 'johnson':9B 'lonnie':8B 'oldies':12 'prerock':18 'roll':6A 's':2A,16 'set':21,23 'sweets':14 'th':24 'unsorted':20,22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', '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-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'mississippi blues', 'blues', 'jazz', 'classic blues']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538096.7395544  (2021-05-09 07:28:16)
                             'size'  3132465