======================== unified (from filesystem) ========================
                                         'bitrate'  '206.728'
                                        'duration'  '211'
                                          'artist'  'Kula Shaker'
                                     'text_people'  ''
                                         'release'  "Pilgrim's Progress"
                                           'title'  'Peter Pan R.I.P'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'britpop', 'psychedelic rock', 'rock']"
                                     'discogstags'  "['rock', 'blues', 'alternative rock', 'psychedelic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '110.967'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Pilgrim's Progress"
'TBPM' (BPM (beats per minute))                     '110.967'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Peter Pan R.I.P'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD(LP)'
'TPE1' (Lead performer(s)/Soloist(s))               'Kula Shaker'
'TPUB' (Publisher)                                  'Strangefolk Records'
'TRCK' (Track number/Position in set)               '1/12'
'TXXX:Languages(s)'                                 'eng'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Release Type'                                 'normal'
'TXXX:Ripping Tool'                                 'EAC'
'TXXX:Uploded'                                      'MJN'
'TXXX:discogstags'                                  ['rock', 'blues', 'alternative rock', 'psychedelic rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'britpop', 'psychedelic rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+13.63 dB'
'TXXX:replaygain_track_peak'                        '0.082711'

========================== row from database ==========================
                                              'id'  1524354
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kula Shaker/Pilgrim_s.Progress/01-kula_shakerpeter_pan_r.i.p.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  211
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  5456717
                                           'mtime'  1621697452
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Pilgrim_s.Progress 01 kula_shakerpeter_pan_r.i.p ifs songwriter indie rock
                                      'tag_artist'  Kula Shaker
                                     'tag_release'  Pilgrim's Progress
                                       'tag_title'  Peter Pan R.I.P
                                             'bpm'  110.967
                                    'search_title'  'i':4 'p':5 'pan':2 'peter':1 'r':3 'rip':6
                                   'search_artist'  'kula':1 'shaker':2
                                  'search_release'  'pilgrim':1 'pilgrims':3 'progress':4 's':2
                                     'search_rest'  '00poprockelectronic':1 'i':11 'ifs':17 'indie':19 'kula':7,13 'p':12 'pan':9,15 'pilgrim':2,5 'progress':4 'r':10 'rip':16 'rock':20 's':3 'shakerpeter':8,14 'songwriter':18 'sprogress':6
                                    'search_combo'  '00poprockelectronic':13 'i':4A,23 'ifs':29 'indie':31 'kula':7B,19,25 'p':5A,24 'pan':2A,21,27 'peter':1A 'pilgrim':9C,14,17 'pilgrims':11C 'progress':12C,16 'r':3A,22 'rip':6A,28 'rock':32 's':10C,15 'shaker':8B 'shakerpeter':20,26 'songwriter':30 'sprogress':18
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'britpop', 'psychedelic rock', 'rock']
                                        'tag_date'  2010
                                     'discogstags'  ['rock', 'blues', 'alternative rock', 'psychedelic rock']

============================== file details ==============================
                                           'mtime'  1621697452.3831635  (2021-05-22 17:30:52)
                             'size'  5456717