======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '227'
                                          'artist'  'Red Dirt'
                                     'text_people'  ''
                                         'release'  'Red Dirt'
                                           'title'  'Problems'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-3', "
 "'Q-CHART-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['blues rock', 'blues', 'psychedelic rock', '60s', 'psychedelic']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '115.3'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Red Dirt'
'TBPM' (BPM (beats per minute))                     '115.3'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Problems'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Dirt'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['blues rock', 'blues', 'psychedelic rock', '60s', 'psychedelic']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-4.02 dB'
'TXXX:replaygain_track_peak'                        '1.031204'

========================== row from database ==========================
                                              'id'  1481506
                                            'path'  /data/Music/Bulk/00poprockelectronic/red dirt - 1970 - red dirt/03-Problems.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  227
                                           'genre'  rock-cppex
                                        'filesize'  5465758
                                           'mtime'  1645789640
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic red dirt 1970 red dirt 03 rock cppex
                                      'tag_artist'  Red Dirt
                                     'tag_release'  Red Dirt
                                       'tag_title'  Problems
                                             'bpm'  115.3
                                    'search_title'  'problems':1
                                   'search_artist'  'dirt':2 'red':1
                                  'search_release'  'dirt':2 'red':1
                                     'search_rest'  '00poprockelectronic':1 '1970':4 'cppex':6 'dirt':3 'red':2 'rock':5
                                    'search_combo'  '00poprockelectronic':6 '1970':9 'cppex':11 'dirt':3B,5C,8 'problems':1A 'red':2B,4C,7 'rock':10
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-3', 'Q-CHART-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-MIXBEAT-2']
                                      'lastfmtags'  ['blues rock', 'blues', 'psychedelic rock', '60s', 'psychedelic']
                                        'tag_date'  1970
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1645789639.781996  (2022-02-25 12:47:19)
                             'size'  5465758