======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '208'
                                          'artist'  'Bonnie Tyler'
                                     'text_people'  ''
                                         'release'  'miscitalo'
                                           'title'  "It's a Heartache"
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'classic rock', 'female vocalists', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo;set-pl-billboard'
                                             'bpm'  '117.535'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'miscitalo'
'TBPM' (BPM (beats per minute))                     '117.535'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-disco or italo', 'set-pl-billboard']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         "It's a Heartache"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bonnie Tyler'
'TRCK' (Track number/Position in set)               '2'
'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:lastfmtags'                                   ['80s', 'classic rock', 'female vocalists', 'pop', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.72 dB'
'TXXX:replaygain_track_peak'                        '0.459426'

========================== row from database ==========================
                                              'id'  1515993
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/MBZ;#Bonnie Tyler;#Disco de Ouro 70_s;#02;#It_s a Heartache.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  208
                                           'genre'  electronic-we-disco or italo;set-pl-billboard
                                        'filesize'  4994697
                                           'mtime'  1620536181
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco MBZ;#Bonnie Tyler;#Disco de Ouro 70_s;#02;#It_s electronic we disco or italo;set pl billboard
                                      'tag_artist'  Bonnie Tyler
                                     'tag_release'  miscitalo
                                       'tag_title'  It's a Heartache
                                             'bpm'  117.535
                                    'search_title'  'a':4 'heartache':5 'it':1 'its':3 's':2
                                   'search_artist'  'bonnie':1 'tyler':2
                                  'search_release'  'miscitalo':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '02':17,22 '70':15,20 'billboard':33 'bonnie':6,8 'de':13 'disco':3,10,12 'electronic':25 'it':18,23 'italo':28,30 'mbz':5,7 'or':27 'ouro':14 'pl':32 's':16,19,21,24 'set':29,31 'tyler':9,11 'waves':2 'we':26
                                    'search_combo'  '00disco':12 '00poprockelectronic':9 '02':25,30 '70':23,28 'a':4A 'billboard':41 'bonnie':6B,14,16 'de':21 'disco':11,18,20 'electronic':33 'heartache':5A 'it':1A,26,31 'italo':36,38 'its':3A 'mbz':13,15 'miscitalo':8C 'or':35 'ouro':22 'pl':40 's':2A,24,27,29,32 'set':37,39 'tyler':7B,17,19 'waves':10 'we':34
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'classic rock', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536181.303594  (2021-05-09 06:56:21)
                             'size'  4994697