======================== unified (from filesystem) ========================
                                         'bitrate'  '193.488'
                                        'duration'  '348'
                                          'artist'  'Jimi Hendrix'
                                     'text_people'  ''
                                         'release'  'Electric Ladyland'
                                           'title'  '1983...'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']"
                                     'discogstags'  "['rock', 'non-music', 'blues rock', 'interview']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic;rock-pop-early-blues;rock-cppex'
                                             'bpm'  '140.3'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Electric Ladyland'
'TBPM' (BPM (beats per minute))                     '140.3'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic', 'rock-pop-early-blues', 'rock-cppex']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         '1983...'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jimi Hendrix'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'non-music', 'blues rock', 'interview']
'TXXX:lastfmtags'                                   ['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.56 dB'
'TXXX:replaygain_track_peak'                        '0.626347'

========================== row from database ==========================
                                              'id'  1486411
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Jimi Hendrix/Jimi Hendrix - 1968 - Electric Ladyland/11 - 1983 ... (A Merman I Should Turn To Be).mp3
                                         'working'  None
                                         'bitrate'  193
                                    'duration_sec'  348
                                           'genre'  rock-cppex-psychedelic;rock-pop-early-blues;rock-cppex
                                        'filesize'  8425169
                                           'mtime'  1635960208
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 1968 11 (A Merman I Should Turn To Be) rock cppex psychedelic;rock pop early blues;rock cppex
                                      'tag_artist'  Jimi Hendrix
                                     'tag_release'  Electric Ladyland
                                       'tag_title'  1983...
                                             'bpm'  140.3
                                    'search_title'  '1983':1,2
                                   'search_artist'  'hendrix':2 'jimi':1
                                  'search_release'  'electric':1 'ladyland':2
                                     'search_rest'  '1968':2 'a':3,4 'be':10,11 'blues':20,22 'classicprogpsy':1 'cppex':13 'early':19 'i':6 'merman':5 'pop':18 'psychedelic':14,16 'rock':12,15,17,21,23 'should':7 'to':9 'turn':8
                                    'search_combo'  '1968':8 '1983':1A,2A 'a':9,10 'be':16,17 'blues':26,28 'classicprogpsy':7 'cppex':19 'early':25 'electric':5C 'hendrix':4B 'i':12 'jimi':3B 'ladyland':6C 'merman':11 'pop':24 'psychedelic':20,22 'rock':18,21,23,27,29 'should':13 'to':15 'turn':14
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']
                                        'tag_date'  1968
                                     'discogstags'  ['rock', 'non-music', 'blues rock', 'interview']

============================== file details ==============================
                                           'mtime'  1635960207.9369886  (2021-11-03 18:23:27)
                             'size'  8425169