======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '328'
                                          'artist'  'FM3'
                                     'text_people'  ''
                                         'release'  'Buddha Machine Secret Edition'
                                           'title'  'Buddha SE loop 08'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-1', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['minimalism', 'drone', 'china', 'minimal', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  '09'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'set-pl-buddhamachine'
                                             'bpm'  '144.1'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Buddha Machine Secret Edition'
'TBPM' (BPM (beats per minute))                     '144.1'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-buddhamachine'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Buddha SE loop 08'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'FM3'
'TRCK' (Track number/Position in set)               '08/09'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['minimalism', 'drone', 'china', 'minimal', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.62 dB'
'TXXX:replaygain_track_peak'                        '0.786717'

========================== row from database ==========================
                                              'id'  940886
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Buddha Machine/FM3BuddhaMachine/fm3-buddha_machine_secret_edition-web-2016-lev/08-fm3-buddha_se_loop_08.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  328
                                           'genre'  set-pl-buddhamachine
                                        'filesize'  13133310
                                           'mtime'  1637785108
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FM3BuddhaMachine fm3 buddha_machine_secret_edition web 2016 lev fm3 buddha_se_loop_08 set pl buddhamachine
                                      'tag_artist'  FM3
                                     'tag_release'  Buddha Machine Secret Edition
                                       'tag_title'  Buddha SE loop 08
                                             'bpm'  144.1
                                    'search_title'  'buddha':1 'loop':3 'se':2
                                   'search_artist'  'fm3':1
                                  'search_release'  'buddha':1 'edition':4 'machine':2 'secret':3
                                     'search_rest'  '08':13 '2016':8 'buddha':3,10 'buddhamachine':16 'edition':6 'fm3':2 'fm3buddha':17 'fm3buddhamachine':1 'lev':9 'loop':12 'machine':4,18 'pl':15 'se':11 'secret':5 'set':14 'web':7
                                    'search_combo'  '08':21 '2016':16 'buddha':1A,5C,11,18 'buddhamachine':24 'edition':8C,14 'fm3':4B,10 'fm3buddha':25 'fm3buddhamachine':9 'lev':17 'loop':3A,20 'machine':6C,12,26 'pl':23 'se':2A,19 'secret':7C,13 'set':22 'web':15
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-1', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['minimalism', 'drone', 'china', 'minimal', 'ambient']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1637785107.9313684  (2021-11-24 21:18:27)
                             'size'  13133310