======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '222'
                                          'artist'  'Atahualpa Yupanqui'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Pobrecito Soy (cancion)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-4', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['folklore', 'world', 'argentina', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '89.256'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '89.256'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Pobrecito Soy (cancion)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Atahualpa Yupanqui'
'TPE2' (Band/orchestra/accompaniment)               'Atahualpa Yupanqui'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folklore', 'world', 'argentina', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+11.56 dB'
'TXXX:replaygain_track_peak'                        '0.138148'

========================== row from database ==========================
                                              'id'  1300545
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Atahualpa Yupanqui - Pobrecito Soy (Cancion) [].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  222
                                           'genre'  ifs-songwriter
                                        'filesize'  5346220
                                           'mtime'  1621630222
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] (Cancion) [] ifs songwriter
                                      'tag_artist'  Atahualpa Yupanqui
                                     'tag_release'  None
                                       'tag_title'  Pobrecito Soy (cancion)
                                             'bpm'  89.256
                                    'search_title'  'cancion':3,4 'pobrecito':1 'soy':2
                                   'search_artist'  'atahualpa':1 'yupanqui':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'cancion':7,8 'files':5,6 'ifs':9 'loose':3,4 'songwriter':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 'atahualpa':5B 'cancion':3A,4A,13,14 'files':11,12 'ifs':15 'loose':9,10 'pobrecito':1A 'songwriter':16 'soy':2A 'unsorted':8 'yupanqui':6B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['folklore', 'world', 'argentina', 'folk', 'singer songwriter']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630221.8940592  (2021-05-21 22:50:21)
                             'size'  5346220