======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '287'
                                          'artist'  'Franklin D. Roosevelt'
                                     'text_people'  ''
                                         'release'  'Great speeches'
                                           'title'  'full broadcast Dec 8 1941'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-1', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['industrial', 'speech', 'spoken word', 'experimental', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '00'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-speeches'
                                             'bpm'  '145.790'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Great speeches'
'TBPM' (BPM (beats per minute))                     '145.790'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-speeches'
'TIT2' (Title/songname/content description)         'full broadcast Dec 8 1941'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '287000'
'TPE1' (Lead performer(s)/Soloist(s))               'Franklin D. Roosevelt'
'TRCK' (Track number/Position in set)               '00'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['industrial', 'speech', 'spoken word', 'experimental', 'singer songwriter']
'TXXX:other'                                        'great speeches'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.26 dB'
'TXXX:replaygain_track_peak'                        '0.521791'

========================== row from database ==========================
                                              'id'  957306
                                            'path'  /data/Music/Bulk/0nonmusic/00speeches, fairly known people/full broadcast Dec 8 1941.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  287
                                           'genre'  nonmusic-speech-speeches
                                        'filesize'  4601728
                                           'mtime'  1620562166
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00speeches, fairly known people nonmusic
                                      'tag_artist'  Franklin D. Roosevelt
                                     'tag_release'  Great speeches
                                       'tag_title'  full broadcast Dec 8 1941
                                             'bpm'  145.79
                                    'search_title'  '1941':5 '8':4 'broadcast':2 'dec':3 'full':1
                                   'search_artist'  'd':2,3 'franklin':1 'roosevelt':4
                                  'search_release'  'great':1 'speeches':2
                                     'search_rest'  '00speeches':2,3 '0nonmusic':1 'fairly':4 'known':5 'nonmusic':7 'people':6
                                    'search_combo'  '00speeches':13,14 '0nonmusic':12 '1941':5A '8':4A 'broadcast':2A 'd':7B,8B 'dec':3A 'fairly':15 'franklin':6B 'full':1A 'great':10C 'known':16 'nonmusic':18 'people':17 'roosevelt':9B 'speeches':11C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'speech', 'spoken word', 'experimental', 'singer songwriter']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562165.6936526  (2021-05-09 14:09:25)
                             'size'  4601728