======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '217'
                                          'artist'  'Nina Simone'
                                     'text_people'  ''
                                         'release'  'My Baby Just Cares for Me (disc 1)'
                                           'title'  'My Baby Just Cares for Me'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['vocal jazz', 'blues', 'jazz', 'female vocalists', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '118.775'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'My Baby Just Cares for Me (disc 1)'
'TBPM' (BPM (beats per minute))                     '118.775'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TIT2' (Title/songname/content description)         'My Baby Just Cares for Me'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nina Simone'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['vocal jazz', 'blues', 'jazz', 'female vocalists', 'soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.56 dB'
'TXXX:replaygain_track_peak'                        '0.617731'

========================== row from database ==========================
                                              'id'  672275
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Nina Simone/MBZ;#Nina Simone;#My Baby Just Cares for Me (disc 1);#01;#My Baby Just Cares for Me.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  217
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3484865
                                           'mtime'  1620533044
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country MBZ;#Nina Simone;#My 1);#01;#My prerock jb jazz unsorted
                                      'tag_artist'  Nina Simone
                                     'tag_release'  My Baby Just Cares for Me (disc 1)
                                       'tag_title'  My Baby Just Cares for Me
                                             'bpm'  118.775
                                    'search_title'  'baby':2 'cares':4 'for':5 'just':3 'me':6 'my':1
                                   'search_artist'  'nina':1 'simone':2
                                  'search_release'  '1':9,10 'baby':2 'cares':4 'disc':7,8 'for':5 'just':3 'me':6 'my':1
                                     'search_rest'  '01':14,17 '1':13,16 'country':4 'exotica':2 'jazz':1 'jb':20 'mbz':5,7 'my':10,12,15,18 'nina':6,8 'oldies':3 'prerock':19 'simone':9,11 'unsorted':21
                                    'search_combo'  '01':32,35 '1':17C,18C,31,34 'baby':2A,10C 'cares':4A,12C 'country':22 'disc':15C,16C 'exotica':20 'for':5A,13C 'jazz':19 'jb':38 'just':3A,11C 'mbz':23,25 'me':6A,14C 'my':1A,9C,28,30,33,36 'nina':7B,24,26 'oldies':21 'prerock':37 'simone':8B,27,29 'unsorted':39
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['vocal jazz', 'blues', 'jazz', 'female vocalists', 'soul']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533043.8189106  (2021-05-09 06:04:03)
                             'size'  3484865