======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '308'
                                          'artist'  'What Is This'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'll Be Around (Rock Edit)"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'q-syn-2', "
 "'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'rock', 'fun with vinyl', 'psychedelic rock', 'funk']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '121.482'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '121.482'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         "I'll Be Around (Rock Edit)"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'What Is This'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', 'rock', 'fun with vinyl', 'psychedelic rock', 'funk']
'TXXX:other'                                        'B'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.36 dB'
'TXXX:replaygain_track_peak'                        '0.390109'

========================== row from database ==========================
                                              'id'  1500328
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/254-B What Is This - I_ll Be Around (Rock Edit).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  308
                                           'genre'  electronic-generic or radio
                                        'filesize'  12347474
                                           'mtime'  1630243326
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 254 I_ll electronic generic or radio
                                      'tag_artist'  What Is This
                                     'tag_release'  None
                                       'tag_title'  I'll Be Around (Rock Edit)
                                             'bpm'  121.482
                                    'search_title'  'around':5 'be':4 'edit':8,9 'i':1 'ill':3 'll':2 'rock':6,7
                                   'search_artist'  'is':2 'this':3 'what':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '254':4 'complete':3 'electronic':7 'generic':8 'i':5 'll':6 'or':9 'radio':10
                                    'search_combo'  '00poprockelectronic':13 '1985':14 '254':16 'around':5A 'be':4A 'complete':15 'edit':8A,9A 'electronic':19 'generic':20 'i':1A,17 'ill':3A 'is':11B 'll':2A,18 'or':21 'radio':22 'rock':6A,7A 'this':12B 'what':10B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           '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-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'rock', 'fun with vinyl', 'psychedelic rock', 'funk']
                                        'tag_date'  1985
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1630243325.963314  (2021-08-29 15:22:05)
                             'size'  12347474