======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '1716'
                                          'artist'  'Douglas Adams'
                                     'text_people'  ''
                                         'release'  'Hitchhikers Guide To The Galax'
                                           'title'  'Hitchhikers Guide01'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-2', 'Q-LOCALNESS-2', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', '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'  "['audiobook', 'comedy', 'sci fi', 'spoken word', 'radio']"
                                     'discogstags'  "['non-music']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-comedy or drama'
                                             'bpm'  '89.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hitchhikers Guide To The Galax'
'TBPM' (BPM (beats per minute))                     '89.0'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-comedy or drama'
'TIT2' (Title/songname/content description)         'Hitchhikers Guide01'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Douglas Adams'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'non-music'
'TXXX:lastfmtags'                                   ['audiobook', 'comedy', 'sci fi', 'spoken word', 'radio']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'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'                        '+3.83 dB'
'TXXX:replaygain_track_peak'                        '0.997763'

========================== row from database ==========================
                                              'id'  1529915
                                            'path'  /data/Music/Bulk/00spent/Cabaret/Douglas Adams_ Hitchhikers Guide/Douglas Adams - Hitchhikers Guide01.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  1716
                                           'genre'  nonmusic-speech-comedy or drama
                                        'filesize'  13730466
                                           'mtime'  1621853475
                                   'redo_metaread'  0
                                        'rest_str'   00spent Cabaret Adams_ nonmusic speech comedy or drama
                                      'tag_artist'  Douglas Adams
                                     'tag_release'  Hitchhikers Guide To The Galax
                                       'tag_title'  Hitchhikers Guide01
                                             'bpm'  89.0
                                    'search_title'  'guide01':2 'hitchhikers':1
                                   'search_artist'  'adams':2 'douglas':1
                                  'search_release'  'galax':5 'guide':2 'hitchhikers':1 'the':4 'to':3
                                     'search_rest'  '00spent':1 'adams':3 'cabaret':2 'comedy':6 'drama':8 'nonmusic':4 'or':7 'speech':5
                                    'search_combo'  '00spent':10 'adams':4B,12 'cabaret':11 'comedy':15 'douglas':3B 'drama':17 'galax':9C 'guide':6C 'guide01':2A 'hitchhikers':1A,5C 'nonmusic':13 'or':16 'speech':14 'the':8C 'to':7C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['audiobook', 'comedy', 'sci fi', 'spoken word', 'radio']
                                        'tag_date'  
                                     'discogstags'  ['non-music']

============================== file details ==============================
                                           'mtime'  1621853475.2695408  (2021-05-24 12:51:15)
                             'size'  13730466