======================== unified (from filesystem) ========================
                                         'bitrate'  '211.889'
                                        'duration'  '263'
                                          'artist'  'Sonic Youth'
                                     'text_people'  ''
                                         'release'  'daydream nation'
                                           'title'  'hey joni'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', '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'  "['indie', 'alternative', 'post punk', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '107.435'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'daydream nation'
'TBPM' (BPM (beats per minute))                     '107.435'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'hey joni'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sonic Youth'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'post punk', 'experimental', 'rock']
'TXXX:q-bass'                                       '3'
'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'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.494125'

========================== row from database ==========================
                                              'id'  1254961
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sonic Youth/Daydream Nation/Sonic Youth - Hey Joni - 07.mp3
                                         'working'  None
                                         'bitrate'  211
                                    'duration_sec'  263
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  6970605
                                           'mtime'  1636400832
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Daydream Nation Hey Joni 07 ifs songwriter experimental
                                      'tag_artist'  Sonic Youth
                                     'tag_release'  daydream nation
                                       'tag_title'  hey joni
                                             'bpm'  107.435
                                    'search_title'  'hey':1 'joni':2
                                   'search_artist'  'sonic':1 'youth':2
                                  'search_release'  'daydream':1 'nation':2
                                     'search_rest'  '00singer':1 'daydream':4 'eos':3 'experimental':9 'hey':6 'ifs':8 'joni':7 'nation':5 'songwriter':2
                                    'search_combo'  '00singer':7 'daydream':5C,10 'eos':9 'experimental':15 'hey':1A,12 'ifs':14 'joni':2A,13 'nation':6C,11 'songwriter':8 'sonic':3B 'youth':4B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           '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-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'post punk', 'experimental', 'rock']
                                        'tag_date'  1988
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400831.6333966  (2021-11-08 20:47:11)
                             'size'  6970605