======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '150'
                                          'artist'  'St. Louis Union'
                                     'text_people'  ''
                                         'release'  '98psych'
                                           'title'  'Behind the Door'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'mod', 'freakbeat', 'psychedelic', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '142.910'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '98psych'
'TBPM' (BPM (beats per minute))                     '142.910'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TIT2' (Title/songname/content description)         'Behind the Door'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'St. Louis Union'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['60s', 'mod', 'freakbeat', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.512241'

========================== row from database ==========================
                                              'id'  1413020
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Moðollar - 98psych/St. Louis Union -- Behind the Door.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  150
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  3614570
                                           'mtime'  1620736652
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Moðollar rock cppex psychedelic
                                      'tag_artist'  St. Louis Union
                                     'tag_release'  98psych
                                       'tag_title'  Behind the Door
                                             'bpm'  142.91
                                    'search_title'  'behind':1 'door':3 'the':2
                                   'search_artist'  'louis':3 'st':1,2 'union':4
                                  'search_release'  '98psych':1
                                     'search_rest'  'classicprogpsy':1 'cppex':5 'modollar':3 'moðollar':2 'psychedelic':6 'rock':4
                                    'search_combo'  '98psych':8C 'behind':1A 'classicprogpsy':9 'cppex':13 'door':3A 'louis':6B 'modollar':11 'moðollar':10 'psychedelic':14 'rock':12 'st':4B,5B 'the':2A 'union':7B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'mod', 'freakbeat', 'psychedelic', 'rock']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736652.472793  (2021-05-11 14:37:32)
                             'size'  3614570