======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '142'
                                          'artist'  'Los Sirex'
                                     'text_people'  'F Gutierrez/J. Rigo'
                                         'release'  'Psychodelicias Vol. 2'
                                           'title'  'Olvidame'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
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 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'pop rock', 'pop', '60s', 'spanish']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '136.643'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Psychodelicias Vol. 2'
'TBPM' (BPM (beats per minute))                     '136.643'
'TCOM' (Composer)                                   'F Gutierrez/J. Rigo'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Olvidame'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '142497'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Sirex'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Diamante'
'TRCK' (Track number/Position in set)               '18'
'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', 'pop rock', 'pop', '60s', 'spanish']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.34 dB'
'TXXX:replaygain_track_peak'                        '0.497499'

========================== row from database ==========================
                                              'id'  1409498
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Psychodelicias vol.02 (spanish 60s)/18 - los sirex - olvidame.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  142
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  3422080
                                           'mtime'  1620736804
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy vol.02 (spanish 60s) 18 los sirex olvidame rock cppex psychedelic
                                      'tag_artist'  Los Sirex
                                     'tag_release'  Psychodelicias Vol. 2
                                       'tag_title'  Olvidame
                                             'bpm'  136.643
                                    'search_title'  'olvidame':1
                                   'search_artist'  'los':1 'sirex':2
                                  'search_release'  '2':4 'psychodelicias':1 'vol':2,3
                                     'search_rest'  '02':3 '18':9 '60s':7,8 'classicprogpsy':1 'cppex':14 'los':10 'olvidame':12 'psychedelic':15 'rock':13 'sirex':11 'spanish':5,6 'vol':2 'vol02':4
                                    'search_combo'  '02':10 '18':16 '2':7C '60s':14,15 'classicprogpsy':8 'cppex':21 'los':2B,17 'olvidame':1A,19 'psychedelic':22 'psychodelicias':4C 'rock':20 'sirex':3B,18 'spanish':12,13 'vol':5C,6C,9 'vol02':11
                                    'tag_tracknum'  18
                                      '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['all', 'pop rock', 'pop', '60s', 'spanish']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736803.5737495  (2021-05-11 14:40:03)
                             'size'  3422080