======================== unified (from filesystem) ========================
                                         'bitrate'  '192.411'
                                        'duration'  '220'
                                          'artist'  'Jimi Hendrix'
                                     'text_people'  ''
                                         'release'  'Electric Ladyland'
                                           'title'  'Rainy Day, Dream Away'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'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'  '10'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic;rock-pop-early-blues;rock-cppex'
                                             'bpm'  '108.4'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Electric Ladyland'
'TBPM' (BPM (beats per minute))                     '108.4'
'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)         'Rainy Day, Dream Away'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jimi Hendrix'
'TRCK' (Track number/Position in set)               '10'
'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'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.599624'

========================== row from database ==========================
                                              'id'  1486255
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Jimi Hendrix/Jimi Hendrix - 1968 - Electric Ladyland/10 - Rainy Day, Dream Away.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  220
                                           'genre'  rock-cppex-psychedelic;rock-pop-early-blues;rock-cppex
                                        'filesize'  5312939
                                           'mtime'  1635960208
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 1968 10 rock cppex psychedelic;rock pop early blues;rock cppex
                                      'tag_artist'  Jimi Hendrix
                                     'tag_release'  Electric Ladyland
                                       'tag_title'  Rainy Day, Dream Away
                                             'bpm'  108.4
                                    'search_title'  'away':5 'day':2,3 'dream':4 'rainy':1
                                   'search_artist'  'hendrix':2 'jimi':1
                                  'search_release'  'electric':1 'ladyland':2
                                     'search_rest'  '1968':2 'blues':11,13 'classicprogpsy':1 'cppex':4 'early':10 'pop':9 'psychedelic':5,7 'rock':3,6,8,12,14
                                    'search_combo'  '1968':11 'away':5A 'blues':20,22 'classicprogpsy':10 'cppex':13 'day':2A,3A 'dream':4A 'early':19 'electric':8C 'hendrix':7B 'jimi':6B 'ladyland':9C 'pop':18 'psychedelic':14,16 'rainy':1A 'rock':12,15,17,21,23
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']
                                        'tag_date'  1968
                                     'discogstags'  ['rock', 'non-music', 'blues rock', 'interview']

============================== file details ==============================
                                           'mtime'  1635960207.912956  (2021-11-03 18:23:27)
                             'size'  5312939