======================== unified (from filesystem) ========================
                                         'bitrate'  '196.785'
                                        'duration'  '352'
                                          'artist'  'FPI Project'
                                     'text_people'  ''
                                         'release'  'miscitalo'
                                           'title'  'Going Back to My Roots'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'house', 'italy', 'electronic', '90s']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '118.984'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'miscitalo'
'TBPM' (BPM (beats per minute))                     '118.984'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Going Back to My Roots'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'FPI Project'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'house', 'italy', 'electronic', '90s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.498770'

========================== row from database ==========================
                                              'id'  1417943
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/FPI Project/202_fpi_project_-_going_back_to_my_roots.mp3
                                         'working'  None
                                         'bitrate'  196
                                    'duration_sec'  352
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  8685063
                                           'mtime'  1620609079
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco 202_fpi_project_ _going_back_to_my_roots electronic we disco or
                                      'tag_artist'  FPI Project
                                     'tag_release'  miscitalo
                                       'tag_title'  Going Back to My Roots
                                             'bpm'  118.984
                                    'search_title'  'back':2 'going':1 'my':4 'roots':5 'to':3
                                   'search_artist'  'fpi':1 'project':2
                                  'search_release'  'miscitalo':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '202':5 'back':9 'disco':3 'electronic':13 'fpi':6 'going':8 'my':11 'or':15 'project':7 'roots':12 'to':10 'waves':2 'we':14
                                    'search_combo'  '00disco':12 '00poprockelectronic':9 '202':13 'back':2A,17 'disco':11 'electronic':21 'fpi':6B,14 'going':1A,16 'miscitalo':8C 'my':4A,19 'or':23 'project':7B,15 'roots':5A,20 'to':3A,18 'waves':10 'we':22
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['dance', 'house', 'italy', 'electronic', '90s']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620609078.804072  (2021-05-10 03:11:18)
                             'size'  8685063