======================== unified (from filesystem) ========================
                                         'bitrate'  '223.218'
                                        'duration'  '137'
                                          'artist'  'Tommy Dorsey Orchestra'
                                     'text_people'  ''
                                         'release'  'Stereo Sampler [Admiral]'
                                           'title'  'Trumpet Cha Cha Cha'
                                           'quals'  ("['Q-JZFKS-2', 'Q-UNU-1', 'Q-OLDST-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'swing', 'big band', 'instrumental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '34'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '118.014'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Stereo Sampler [Admiral]'
'TBPM' (BPM (beats per minute))                     '118.014'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Trumpet Cha Cha Cha'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tommy Dorsey Orchestra'
'TRCK' (Track number/Position in set)               '34'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'swing', 'big band', 'instrumental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.14 dB'
'TXXX:replaygain_track_peak'                        '0.398947'

========================== row from database ==========================
                                              'id'  769665
                                            'path'  /data/Music/Bulk/00localcharacter/Compilation - Stereo Sampler [Admiral 1967]/Tommy Dorsey Orchestra - Stereo Sampler [Admiral] - 34 - Trumpet Cha Cha Cha.mp3
                                         'working'  None
                                         'bitrate'  223
                                    'duration_sec'  137
                                           'genre'  loc-unsorted
                                        'filesize'  3837542
                                           'mtime'  1620400861
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Compilation 1967] 34 loc unsorted
                                      'tag_artist'  Tommy Dorsey Orchestra
                                     'tag_release'  Stereo Sampler [Admiral]
                                       'tag_title'  Trumpet Cha Cha Cha
                                             'bpm'  118.014
                                    'search_title'  'cha':2 'trumpet':1
                                   'search_artist'  'dorsey':2 'orchestra':3 'tommy':1
                                  'search_release'  'admiral':3,4 'sampler':2 'stereo':1
                                     'search_rest'  '1967':2,3 '34':4 'compilation':1 'loc':5 'unsorted':6
                                    'search_combo'  '1967':11,12 '34':13 'admiral':8C,9C 'cha':2A 'compilation':10 'dorsey':4B 'loc':14 'orchestra':5B 'sampler':7C 'stereo':6C 'tommy':3B 'trumpet':1A 'unsorted':15
                                    'tag_tracknum'  34
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'swing', 'big band', 'instrumental']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620400860.9231882  (2021-05-07 17:21:00)
                             'size'  3837542