======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '266'
                                          'artist'  'Gotan Project'
                                     'text_people'  ''
                                         'release'  'Santa Maria EP'
                                           'title'  'Santa Maria (Del Buen Ayre)'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-UNU-1', "
 "'Q-OLDST-4', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['lounge', 'downtempo', 'electronic', 'chillout', 'tango']"
                                     'discogstags'  "['electronic', 'hip hop', 'future jazz', 'deep house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '118.014'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Santa Maria EP'
'TBPM' (BPM (beats per minute))                     '118.014'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'prerock-jb-jazz-lounge or exotica or bossa']
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Santa Maria (Del Buen Ayre)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gotan Project'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'hip hop', 'future jazz', 'deep house']
'TXXX:lastfmtags'                                   ['lounge', 'downtempo', 'electronic', 'chillout', 'tango']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.40 dB'
'TXXX:replaygain_track_peak'                        '0.600642'

========================== row from database ==========================
                                              'id'  1317955
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Gotan Project__Santa Maria Ep__01 - Santa Maria (Del Buen Ayre).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  266
                                           'genre'  electronic-unsorted;prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  6400189
                                           'mtime'  1620541244
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Project__Santa Ep__01 electronic unsorted;prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Gotan Project
                                     'tag_release'  Santa Maria EP
                                       'tag_title'  Santa Maria (Del Buen Ayre)
                                             'bpm'  118.014
                                    'search_title'  'ayre':6,7 'buen':5 'del':3,4 'maria':2 'santa':1
                                   'search_artist'  'gotan':1 'project':2
                                  'search_release'  'ep':3 'maria':2 'santa':1
                                     'search_rest'  '00poprockelectronic':1 '01':10 'bossa':21 'electronic':11 'ep':9 'exotica':20 'files':5,6 'jazz':17 'jb':16 'loose':3,4 'lounge':18 'or':19 'prerock':13,15 'project':7 'santa':8 'unsorted':2,12,14
                                    'search_combo'  '00poprockelectronic':13 '01':22 'ayre':6A,7A 'bossa':33 'buen':5A 'del':3A,4A 'electronic':23 'ep':12C,21 'exotica':32 'files':17,18 'gotan':8B 'jazz':29 'jb':28 'loose':15,16 'lounge':30 'maria':2A,11C 'or':31 'prerock':25,27 'project':9B,19 'santa':1A,10C,20 'unsorted':14,24,26
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'downtempo', 'electronic', 'chillout', 'tango']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'hip hop', 'future jazz', 'deep house']

============================== file details ==============================
                                           'mtime'  1620541244.3709533  (2021-05-09 08:20:44)
                             'size'  6400189