======================== unified (from filesystem) ========================
                                         'bitrate'  '232.788'
                                        'duration'  '81'
                                          'artist'  'Frank Zappa'
                                     'text_people'  ''
                                         'release'  "We're Only In It For The Mone"
                                           'title'  "Harry, You're A Beast"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '125.006'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "We're Only In It For The Mone"
'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         "Harry, You're A Beast"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Zappa'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.86 dB'
'TXXX:replaygain_track_peak'                        '0.599094'

========================== row from database ==========================
                                              'id'  1524322
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Frank Zappa/1968 - We_re Only In It For The Money/07 - Harry, You_re A Beast.mp3
                                         'working'  None
                                         'bitrate'  232
                                    'duration_sec'  81
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  2368237
                                           'mtime'  1636400796
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1968 We_re Money 07 You_re ifs songwriter experimental
                                      'tag_artist'  Frank Zappa
                                     'tag_release'  We're Only In It For The Mone
                                       'tag_title'  Harry, You're A Beast
                                             'bpm'  125.006
                                    'search_title'  'a':6 'beast':7 'harry':1,2 're':4 'you':3 'youre':5
                                   'search_artist'  'frank':1 'zappa':2
                                  'search_release'  'for':7 'in':5 'it':6 'mone':9 'only':4 're':2 'the':8 'we':1 'were':3
                                     'search_rest'  '00singer':1 '1968':4 'eos':3 'experimental':11 'ifs':10 'money':7 're':6,9 'songwriter':2 'we':5 'you':8
                                    'search_combo'  '00singer':19 '1968':22 'a':6A 'beast':7A 'eos':21 'experimental':29 'for':16C 'frank':8B 'harry':1A,2A 'ifs':28 'in':14C 'it':15C 'mone':18C 'money':25 'only':13C 're':4A,11C,24,27 'songwriter':20 'the':17C 'we':10C,23 'were':12C 'you':3A,26 'youre':5A 'zappa':9B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400795.8743389  (2021-11-08 20:46:35)
                             'size'  2368237