======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '237'
                                          'artist'  'We All Together'
                                     'text_people'  ''
                                         'release'  'Psychodelicias Vol.  1'
                                           'title'  "It's A Sin To Go Away"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
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                                      'lastfmtags'  "['progressive rock', 'psychedelic rock', 'peru', 'psychedelic', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '139.083'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Psychodelicias Vol.  1'
'TBPM' (BPM (beats per minute))                     '139.083'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         "It's A Sin To Go Away"
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '237296'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'We All Together'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['progressive rock', 'psychedelic rock', 'peru', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '3'
'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'                        '+0.09 dB'
'TXXX:replaygain_track_peak'                        '0.434634'

========================== row from database ==========================
                                              'id'  1514995
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Psychodelicias vol.01 (spanish 60s)/18. We All Together - It_s A Sin To Go Away.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  237
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  5697160
                                           'mtime'  1620736795
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy vol.01 (spanish 60s) 18. It_s rock cppex psychedelic
                                      'tag_artist'  We All Together
                                     'tag_release'  Psychodelicias Vol.  1
                                       'tag_title'  It's A Sin To Go Away
                                             'bpm'  139.083
                                    'search_title'  'a':4 'away':8 'go':7 'it':1 'its':3 's':2 'sin':5 'to':6
                                   'search_artist'  'all':2 'together':3 'we':1
                                  'search_release'  '1':4 'psychodelicias':1 'vol':2,3
                                     'search_rest'  '01':3 '18':9,10 '60s':7,8 'classicprogpsy':1 'cppex':14 'it':11 'psychedelic':15 'rock':13 's':12 'spanish':5,6 'vol':2 'vol01':4
                                    'search_combo'  '01':18 '1':15C '18':24,25 '60s':22,23 'a':4A 'all':10B 'away':8A 'classicprogpsy':16 'cppex':29 'go':7A 'it':1A,26 'its':3A 'psychedelic':30 'psychodelicias':12C 'rock':28 's':2A,27 'sin':5A 'spanish':20,21 'to':6A 'together':11B 'vol':13C,14C,17 'vol01':19 'we':9B
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  9A
                                           '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-3', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'psychedelic rock', 'peru', 'psychedelic', 'rock']
                                        'tag_date'  1965
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736795.4975712  (2021-05-11 14:39:55)
                             'size'  5697160