======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '147'
                                          'artist'  'Los Jaguars'
                                     'text_people'  ''
                                         'release'  'Psychodelicias Vol. 7'
                                           'title'  'La Rosa Negra'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
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 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['peruvian', 'garage rock', 'garage punk', 'psychedelic rock', 'psychedelic']"
                                     'discogstags'  "['pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '86.659'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '[SAM]'
'COMM:ID3v1 Comment:XXX'                            '[SAM]'
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'TALB' (Album/Movie/Show title)                     'Psychodelicias Vol. 7'
'TBPM' (BPM (beats per minute))                     '86.659'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'La Rosa Negra'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Jaguars'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop', 'rock']
'TXXX:lastfmtags'                                   ['peruvian', 'garage rock', 'garage punk', 'psychedelic rock', 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.36 dB'
'TXXX:replaygain_track_peak'                        '0.429128'

========================== row from database ==========================
                                              'id'  1411725
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Psychodelicias vol.07 (spanish 60s)/15 - los jaguars - la rosa negra.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  147
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  5910400
                                           'mtime'  1620736885
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy vol.07 (spanish 60s) 15 los jaguars la rosa negra rock cppex psychedelic
                                      'tag_artist'  Los Jaguars
                                     'tag_release'  Psychodelicias Vol. 7
                                       'tag_title'  La Rosa Negra
                                             'bpm'  86.659
                                    'search_title'  'la':1 'negra':3 'rosa':2
                                   'search_artist'  'jaguars':2 'los':1
                                  'search_release'  '7':4 'psychodelicias':1 'vol':2,3
                                     'search_rest'  '07':3 '60s':7,8 'classicprogpsy':1 'cppex':15 'jaguars':10 'la':11 'los':9 'negra':13 'psychedelic':16 'rock':14 'rosa':12 'spanish':5,6 'vol':2 'vol07':4
                                    'search_combo'  '07':12 '60s':16,17 '7':9C 'classicprogpsy':10 'cppex':24 'jaguars':5B,19 'la':1A,20 'los':4B,18 'negra':3A,22 'psychedelic':25 'psychodelicias':6C 'rock':23 'rosa':2A,21 'spanish':14,15 'vol':7C,8C,11 'vol07':13
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['peruvian', 'garage rock', 'garage punk', 'psychedelic rock', 'psychedelic']
                                        'tag_date'  1965
                                     'discogstags'  ['pop', 'rock']

============================== file details ==============================
                                           'mtime'  1620736884.742968  (2021-05-11 14:41:24)
                             'size'  5910400