======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '255'
                                          'artist'  'Third Eye Blind'
                                     'text_people'  ''
                                         'release'  'Third Eye Blind'
                                           'title'  "How's It Going to Be"
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-4', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', '90s', 'alternative', 'pop', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock', 'grunge']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '142.910'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Third Eye Blind'
'TBPM' (BPM (beats per minute))                     '142.910'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         "How's It Going to Be"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Third Eye Blind'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'grunge']
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'pop', 'rock']
'TXXX:original release date'                        ['1997', '1997']
'TXXX:q-bass'                                       '4'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.11 dB'
'TXXX:replaygain_track_peak'                        '0.439789'

========================== row from database ==========================
                                              'id'  1514212
                                            'path'  /data/Music/Bulk/00poprockelectronic/Third Eye Blind/MBZ;#Third Eye Blind;#Third Eye Blind;#06;#How_s It Going to Be.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  255
                                           'genre'  rock-pop
                                        'filesize'  10229253
                                           'mtime'  1620392160
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Third Blind;#Third Blind;#06;#How_s rock pop
                                      'tag_artist'  Third Eye Blind
                                     'tag_release'  Third Eye Blind
                                       'tag_title'  How's It Going to Be
                                             'bpm'  142.91
                                    'search_title'  'be':7 'going':5 'how':1 'hows':3 'it':4 's':2 'to':6
                                   'search_artist'  'blind':3 'eye':2 'third':1
                                  'search_release'  'blind':3 'eye':2 'third':1
                                     'search_rest'  '00poprockelectronic':1 '06':11,15 'blind':6,8,10,14 'how':12,16 'mbz':2,4 'pop':19 'rock':18 's':13,17 'third':3,5,7,9
                                    'search_combo'  '00poprockelectronic':14 '06':24,28 'be':7A 'blind':10B,13C,19,21,23,27 'eye':9B,12C 'going':5A 'how':1A,25,29 'hows':3A 'it':4A 'mbz':15,17 'pop':32 'rock':31 's':2A,26,30 'third':8B,11C,16,18,20,22 'to':6A
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', '90s', 'alternative', 'pop', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  ['rock', 'alternative rock', 'grunge']

============================== file details ==============================
                                           'mtime'  1620392160.457075  (2021-05-07 14:56:00)
                             'size'  10229253