======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '189'
                                          'artist'  'Brian Wilson'
                                     'text_people'  ''
                                         'release'  'You'
                                           'title'  'Solar System'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'pop', 'rock', 'classic rock', 'psychedelic', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'set-pl-you;rock-cppex;rock-cppex-psychedelic;ifs-songwriter-pop;ifs-songwriter-rock'
                                             'bpm'  '113.772'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'You'
'TBPM' (BPM (beats per minute))                     '113.772'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-you',
 'rock-cppex',
 'rock-cppex-psychedelic',
 'ifs-songwriter-pop',
 'ifs-songwriter-rock']
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Solar System'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Brian Wilson'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.25.101'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:compatible_brands'                            'iso6mp41'
'TXXX:lastfmtags'                                   ['60s', 'pop', 'rock', 'classic rock', 'psychedelic', 'singer songwriter']
'TXXX:major_brand'                                  'dash'
'TXXX:minor_version'                                '0'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.64 dB'
'TXXX:replaygain_track_peak'                        '0.582543'

========================== row from database ==========================
                                              'id'  770393
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/You/Brian Wilson - Solar System.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  189
                                           'genre'  set-pl-you;rock-cppex;rock-cppex-psychedelic;ifs-songwriter-pop;ifs-songwriter-rock
                                        'filesize'  3033088
                                           'mtime'  1642256597
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes set pl you;rock cppex;rock cppex psychedelic;ifs songwriter pop;ifs songwriter rock
                                      'tag_artist'  Brian Wilson
                                     'tag_release'  You
                                       'tag_title'  Solar System
                                             'bpm'  113.772
                                    'search_title'  'solar':1 'system':2
                                   'search_artist'  'brian':1 'wilson':2
                                  'search_release'  'you':1
                                     'search_rest'  '0novelty':2 '0playlists':1 'cppex':10,12,14 'ifs':16,18,21,23 'pl':5 'pop':20,22 'psychedelic':15,17 'rock':7,9,11,13,24 'set':4 'songwriter':19 'themes':3 'you':6,8
                                    'search_combo'  '0novelty':7 '0playlists':6 'brian':3B 'cppex':15,17,19 'ifs':21,23,26,28 'pl':10 'pop':25,27 'psychedelic':20,22 'rock':12,14,16,18,29 'set':9 'solar':1A 'songwriter':24 'system':2A 'themes':8 'wilson':4B 'you':5C,11,13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['60s', 'pop', 'rock', 'classic rock', 'psychedelic', 'singer songwriter']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256597.435987  (2022-01-15 15:23:17)
                             'size'  3033088