======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '137'
                                          'artist'  'Los Beat 4'
                                     'text_people'  ''
                                         'release'  'Psychodelicias Vol. 2'
                                           'title'  'Todo Terminado'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '95.438'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Psychodelicias Vol. 2'
'TBPM' (BPM (beats per minute))                     '95.438'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Todo Terminado'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '137952'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Beat 4'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   'all'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.54 dB'
'TXXX:replaygain_track_peak'                        '0.456292'

========================== row from database ==========================
                                              'id'  1415334
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Psychodelicias vol.02 (spanish 60s)/09 - los beat 4 - todo terminado.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  137
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  3315843
                                           'mtime'  1620736801
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy vol.02 (spanish 60s) 09 los beat todo terminado rock cppex psychedelic
                                      'tag_artist'  Los Beat 4
                                     'tag_release'  Psychodelicias Vol. 2
                                       'tag_title'  Todo Terminado
                                             'bpm'  95.438
                                    'search_title'  'terminado':2 'todo':1
                                   'search_artist'  '4':3 'beat':2 'los':1
                                  'search_release'  '2':4 'psychodelicias':1 'vol':2,3
                                     'search_rest'  '02':3 '60s':7,8 'beat':10 'classicprogpsy':1 'cppex':14 'los':9 'psychedelic':15 'rock':13 'spanish':5,6 'terminado':12 'todo':11 'vol':2 'vol02':4
                                    'search_combo'  '02':12 '2':9C '4':5B '60s':16,17 'beat':4B,19 'classicprogpsy':10 'cppex':23 'los':3B,18 'psychedelic':24 'psychodelicias':6C 'rock':22 'spanish':14,15 'terminado':2A,21 'todo':1A,20 'vol':7C,8C,11 'vol02':13
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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']
                                        'tag_date'  1965
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736800.999146  (2021-05-11 14:40:00)
                             'size'  3315843