======================== unified (from filesystem) ========================
                                         'bitrate'  '184.134'
                                        'duration'  '218'
                                          'artist'  'Frank Zappa'
                                     'text_people'  ''
                                         'release'  'Freak Out'
                                           'title'  "You're Probably Wondering Why"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '140.433'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Freak Out'
'TBPM' (BPM (beats per minute))                     '140.433'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         "You're Probably Wondering Why"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Zappa'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.69 dB'
'TXXX:replaygain_track_peak'                        '0.789243'

========================== row from database ==========================
                                              'id'  1509262
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Frank Zappa/1966 - Freak Out!/11 - You_re Probably Wondering Why I_m Here.mp3
                                         'working'  None
                                         'bitrate'  184
                                    'duration_sec'  218
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  5024994
                                           'mtime'  1636400791
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1966 Out! 11 You_re I_m Here ifs songwriter experimental
                                      'tag_artist'  Frank Zappa
                                     'tag_release'  Freak Out
                                       'tag_title'  You're Probably Wondering Why
                                             'bpm'  140.433
                                    'search_title'  'probably':4 're':2 'why':6 'wondering':5 'you':1 'youre':3
                                   'search_artist'  'frank':1 'zappa':2
                                  'search_release'  'freak':1 'out':2
                                     'search_rest'  '00singer':1 '1966':4 'eos':3 'experimental':12 'here':10 'i':8 'ifs':11 'm':9 'out':5 're':7 'songwriter':2 'you':6
                                    'search_combo'  '00singer':11 '1966':14 'eos':13 'experimental':22 'frank':7B 'freak':9C 'here':20 'i':18 'ifs':21 'm':19 'out':10C,15 'probably':4A 're':2A,17 'songwriter':12 'why':6A 'wondering':5A 'you':1A,16 'youre':3A 'zappa':8B
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400791.2662115  (2021-11-08 20:46:31)
                             'size'  5024994