======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '295'
                                          'artist'  'Señor Coconut Y Su Conjunto'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'El Baile Alemán (Germany release) - 05 - Neon Lights (Cha Cha Cha)'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['latin', 'electronic', 'lounge', 'cover', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '100.2'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '100.2'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'El Baile Alemán (Germany release) - 05 - Neon Lights (Cha Cha Cha)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Señor Coconut Y Su Conjunto'
'TXXX:Mp3gain_minmax'                               '085,181'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['latin', 'electronic', 'lounge', 'cover', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.51 dB'
'TXXX:replaygain_track_peak'                        '0.468176'

========================== row from database ==========================
                                              'id'  314999
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Señor Coconut/Señor Coconut Y Su Conjunto - El Baile Alemán (Germany release) - 05 - Neon Lights (Cha Cha Cha).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  295
                                           'genre'  set-th-novelty
                                        'filesize'  7096083
                                           'mtime'  1620343181
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm set th novelty
                                      'tag_artist'  Señor Coconut Y Su Conjunto
                                     'tag_release'  None
                                       'tag_title'  El Baile Alemán (Germany release) - 05 - Neon Lights (Cha Cha Cha)
                                             'bpm'  100.2
                                    'search_title'  'aleman':3,4 'baile':2 'cha':11,12,13 'el':1 'germany':5,6 'lights':10 'neon':9 'release':7,8
                                   'search_artist'  'coconut':3 'conjunto':6 'senor':1,2 'su':5 'y':4
                                  'search_release'  
                                     'search_rest'  'novelty':3 'set':1 'th':2
                                    'search_combo'  'aleman':3A,4A 'baile':2A 'cha':11A,12A,13A 'coconut':16B 'conjunto':19B 'el':1A 'germany':5A,6A 'lights':10A 'neon':9A 'novelty':22 'release':7A,8A 'senor':14B,15B 'set':20 'su':18B 'th':21 'y':17B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', '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-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['latin', 'electronic', 'lounge', 'cover', 'electronica']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343181.413821  (2021-05-07 01:19:41)
                             'size'  7096083