======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '159'
                                          'artist'  'Los Datsuns'
                                     'text_people'  ''
                                         'release'  'Psychodelicias Vol. 2'
                                           'title'  'Otra Mejor Que Tu'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'q-chart-1', 'q-drums-2', 'q-other-2', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['all', 'rock', 'peru']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '139.178'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Psychodelicias Vol. 2'
'TBPM' (BPM (beats per minute))                     '139.178'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Otra Mejor Que Tu'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '159503'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Datsuns'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['all', 'rock', 'peru']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.476267'

========================== row from database ==========================
                                              'id'  1410545
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Psychodelicias vol.02 (spanish 60s)/04 - los datsuns - otra mejor que tu.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  159
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  3829632
                                           'mtime'  1620736797
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy vol.02 (spanish 60s) 04 los datsuns otra mejor que tu rock cppex psychedelic
                                      'tag_artist'  Los Datsuns
                                     'tag_release'  Psychodelicias Vol. 2
                                       'tag_title'  Otra Mejor Que Tu
                                             'bpm'  139.178
                                    'search_title'  'mejor':2 'otra':1 'que':3 'tu':4
                                   'search_artist'  'datsuns':2 'los':1
                                  'search_release'  '2':4 'psychodelicias':1 'vol':2,3
                                     'search_rest'  '02':3 '60s':7,8 'classicprogpsy':1 'cppex':16 'datsuns':10 'los':9 'mejor':12 'otra':11 'psychedelic':17 'que':13 'rock':15 'spanish':5,6 'tu':14 'vol':2 'vol02':4
                                    'search_combo'  '02':13 '2':10C '60s':17,18 'classicprogpsy':11 'cppex':26 'datsuns':6B,20 'los':5B,19 'mejor':2A,22 'otra':1A,21 'psychedelic':27 'psychodelicias':7C 'que':3A,23 'rock':25 'spanish':15,16 'tu':4A,24 'vol':8C,9C,12 'vol02':14
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['all', 'rock', 'peru']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736796.6267629  (2021-05-11 14:39:56)
                             'size'  3829632