======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '299'
                                          'artist'  'NERD (The Neptunes)'
                                     'text_people'  ''
                                         'release'  'In Search Of (Retail)'
                                           'title'  'Am I High'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['hip-hop', 'rap', 'alternative', 'rock', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '107.1'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'In Search Of (Retail)'
'TBPM' (BPM (beats per minute))                     '107.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TIT2' (Title/songname/content description)         'Am I High'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'NERD (The Neptunes)'
'TXXX:Mp3gain_minmax'                               '127,181'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['hip-hop', 'rap', 'alternative', 'rock', 'hip hop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.559046'

========================== row from database ==========================
                                              'id'  725865
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Seni/NERD (The Neptunes) - In Search Of - 11 - Am I High.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  299
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  7196589
                                           'mtime'  1636910098
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Seni 11 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  NERD (The Neptunes)
                                     'tag_release'  In Search Of (Retail)
                                       'tag_title'  Am I High
                                             'bpm'  107.1
                                    'search_title'  'am':1 'high':3 'i':2
                                   'search_artist'  'neptunes':4,5 'nerd':1 'the':2,3
                                  'search_release'  'in':1 'of':3 'retail':4,5 'search':2
                                     'search_rest'  'acid':7 'downtempo':6 'electronic':2 'hop':4 'jazz':8 'or':5 'seni':1 'trip':3
                                    'search_combo'  'acid':20 'am':1A 'downtempo':19 'electronic':15 'high':3A 'hop':17 'i':2A 'in':9C 'jazz':21 'neptunes':7B,8B 'nerd':4B 'of':11C 'or':18 'retail':12C,13C 'search':10C 'seni':14 'the':5B,6B 'trip':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['hip-hop', 'rap', 'alternative', 'rock', 'hip hop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910098.0114834  (2021-11-14 18:14:58)
                             'size'  7196589