======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '242'
                                          'artist'  'Joni Mitchell'
                                     'text_people'  ''
                                         'release'  'Second Fret Sets 1966-1968 [CD 1]'
                                           'title'  'Second Fret Sets 1966-1968  1 09 Song To A Seagull'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acoustic', 'canadian', 'female vocalists', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk;ifs-songwriter-eos'
                                             'bpm'  '142.708'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 0000005E 000000CE 000002DF 0000070B 000249F0 00030D85 00001D32 00002EBF '
 '00030D85 00004E37')
'TALB' (Album/Movie/Show title)                     'Second Fret Sets 1966-1968 [CD 1]'
'TBPM' (BPM (beats per minute))                     '142.708'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-folk', 'ifs-songwriter-eos']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Second Fret Sets 1966-1968  1 09 Song To A Seagull'
'TKEY' (Initial key)                                '8B'
'TLEN' (Length)                                     '242912'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Joni Mitchell'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['acoustic', 'canadian', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.77 dB'
'TXXX:replaygain_track_peak'                        '0.728259'

========================== row from database ==========================
                                              'id'  183974
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Joni Mitchell/1968 - Second Frets  1966 - 1968/09 song to a seagull.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  242
                                           'genre'  ifs-songwriter-folk;ifs-songwriter-eos
                                        'filesize'  4868096
                                           'mtime'  1636400329
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Frets song to seagull ifs songwriter folk;ifs songwriter eos
                                      'tag_artist'  Joni Mitchell
                                     'tag_release'  Second Fret Sets 1966-1968 [CD 1]
                                       'tag_title'  Second Fret Sets 1966-1968  1 09 Song To A Seagull
                                             'bpm'  142.708
                                    'search_title'  '1':7 '1966':4 '19661968':6 '1968':5 'a':10 'fret':2 'seagull':11 'second':1 'sets':3 'song':8 'to':9
                                   'search_artist'  'joni':1 'mitchell':2
                                  'search_release'  '1':9,10 '1966':4 '19661968':6 '1968':5 'cd':7,8 'fret':2 'second':1 'sets':3
                                     'search_rest'  '00singer':1 'eos':3 'folk':9,11 'frets':4 'ifs':8,10,12 'seagull':7 'song':5 'songwriter':2 'to':6
                                    'search_combo'  '00singer':24 '1':7A,22C,23C '1966':4A,17C '19661968':6A,19C '1968':5A,18C 'a':10A 'cd':20C,21C 'eos':26 'folk':32,34 'fret':2A,15C 'frets':27 'ifs':31,33,35 'joni':12B 'mitchell':13B 'seagull':11A,30 'second':1A,14C 'sets':3A,16C 'song':8A,28 'songwriter':25 'to':9A,29
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'canadian', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400328.5937665  (2021-11-08 20:38:48)
                             'size'  4868096