======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '124'
                                          'artist'  'Eve Boswell'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Pickin' A Chicken'"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['vocal jazz', 'jazz', '40s', '50s', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '115.589'
                                             'key'  '1A'
                                        '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')
'TBPM' (BPM (beats per minute))                     '115.589'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1980'
'TENC' (Encoded by)                                 'Amadeus II'
'TIT2' (Title/songname/content description)         "Pickin' A Chicken'"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Eve Boswell'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['vocal jazz', 'jazz', '40s', '50s', 'oldies']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                        '+0.78 dB'
'TXXX:replaygain_track_peak'                        '0.518470'

========================== row from database ==========================
                                              'id'  1499530
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Eve Boswell - Pickin_ A Chicken_.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  124
                                           'genre'  set-th-novelty
                                        'filesize'  1491245
                                           'mtime'  1620343078
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] Pickin_ Chicken_ set th novelty
                                      'tag_artist'  Eve Boswell
                                     'tag_release'  None
                                       'tag_title'  Pickin' A Chicken'
                                             'bpm'  115.589
                                    'search_title'  'a':3 'chicken':4,5 'pickin':1,2
                                   'search_artist'  'boswell':2 'eve':1
                                  'search_release'  
                                     'search_rest'  'baby':8,9 'chicken':11 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':14 'oldies':3 'pickin':10 'set':12 'th':13 'zimelis':5
                                    'search_combo'  'a':3A 'baby':15,16 'boswell':7B 'chicken':4A,5A,18 'chow':13,14 'country':11 'eve':6B 'exotica':9 'jazz':8 'novelty':21 'oldies':10 'pickin':1A,2A,17 'set':19 'th':20 'zimelis':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           '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-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['vocal jazz', 'jazz', '40s', '50s', 'oldies']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343077.7004583  (2021-05-07 01:17:57)
                             'size'  1491245