======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '51'
                                          'artist'  'Synthesizer Theory'
                                     'text_people'  ''
                                         'release'  'Synthesizer Theory'
                                           'title'  'Intro To Moog Synth'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-instruction;set-pl-mor'
                                             'bpm'  '102.6'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Synthesizer Theory'
'TBPM' (BPM (beats per minute))                     '102.6'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-speech-instruction', 'set-pl-mor']
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'Tag&Rename 3.0.6'
'TIT2' (Title/songname/content description)         'Intro To Moog Synth'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Synthesizer Theory'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+6.41 dB'
'TXXX:replaygain_track_peak'                        '0.337016'

========================== row from database ==========================
                                              'id'  765445
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Bob Moog - Synthesizer Theory/Synthesizer Theory - 02 - Intro To Moog Synth.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  51
                                           'genre'  nonmusic-speech-instruction;set-pl-mor
                                        'filesize'  409332
                                           'mtime'  1620561421
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Bob 02 nonmusic speech instruction;set pl mor
                                      'tag_artist'  Synthesizer Theory
                                     'tag_release'  Synthesizer Theory
                                       'tag_title'  Intro To Moog Synth
                                             'bpm'  102.6
                                    'search_title'  'intro':1 'moog':3 'synth':4 'to':2
                                   'search_artist'  'synthesizer':1 'theory':2
                                  'search_release'  'synthesizer':1 'theory':2
                                     'search_rest'  'bob':1 'instruction':4,6 'mor':9 'nonmusic':2 'pl':8 'set':5,7 'speech':3
                                    'search_combo'  'bob':9 'instruction':12,14 'intro':1A 'moog':3A 'mor':17 'nonmusic':10 'pl':16 'set':13,15 'speech':11 'synth':4A 'synthesizer':5B,7C 'theory':6B,8C 'to':2A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', '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-3', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561420.6803694  (2021-05-09 13:57:00)
                             'size'  409332