======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '292'
                                          'artist'  'Brian Setzer & Big Bad Voodoo Daddy'
                                     'text_people'  ''
                                         'release'  'Hard Rock Live'
                                           'title'  "Jump Jive An' Wail (Live)"
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['good stuff', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-swing'
                                             'bpm'  '100.058'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hard Rock Live'
'TBPM' (BPM (beats per minute))                     '100.058'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-swing'
'TIT2' (Title/songname/content description)         "Jump Jive An' Wail (Live)"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Brian Setzer & Big Bad Voodoo Daddy'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['good stuff', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.78 dB'
'TXXX:replaygain_track_peak'                        '0.686968'

========================== row from database ==========================
                                              'id'  1497900
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Brian Setzer & Big Bad Voodoo Daddy__Hard Rock Live__01 - Jump Jive An_ Wail (Live).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  292
                                           'genre'  prerock-jb-jazz-soft-swing
                                        'filesize'  5851461
                                           'mtime'  1620541226
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Daddy__Hard Live__01 An_ prerock jb jazz soft swing
                                      'tag_artist'  Brian Setzer & Big Bad Voodoo Daddy
                                     'tag_release'  Hard Rock Live
                                       'tag_title'  Jump Jive An' Wail (Live)
                                             'bpm'  100.058
                                    'search_title'  'an':3,4 'jive':2 'jump':1 'live':6,7 'wail':5
                                   'search_artist'  'bad':4 'big':3 'brian':1 'daddy':6 'setzer':2 'voodoo':5
                                  'search_release'  'hard':1 'live':3 'rock':2
                                     'search_rest'  '00poprockelectronic':1 '01':10 'an':11 'daddy':7 'files':5,6 'hard':8 'jazz':14 'jb':13 'live':9 'loose':3,4 'prerock':12 'soft':15 'swing':16 'unsorted':2
                                    'search_combo'  '00poprockelectronic':17 '01':26 'an':3A,4A,27 'bad':11B 'big':10B 'brian':8B 'daddy':13B,23 'files':21,22 'hard':14C,24 'jazz':30 'jb':29 'jive':2A 'jump':1A 'live':6A,7A,16C,25 'loose':19,20 'prerock':28 'rock':15C 'setzer':9B 'soft':31 'swing':32 'unsorted':18 'voodoo':12B 'wail':5A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['good stuff', 'swing']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541226.4112196  (2021-05-09 08:20:26)
                             'size'  5851461