======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '219'
                                          'artist'  'Julie Meredith'
                                     'text_people'  ''
                                         'release'  'The Yellow Unicorn (Imperial LP-12036 Stereo)'
                                           'title'  'Russian Wedding'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['folk, world, & country', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '134.1'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Yellow Unicorn (Imperial LP-12036 Stereo)'
'TBPM' (BPM (beats per minute))                     '134.1'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1994'
'TENC' (Encoded by)                                 'Basic Hip Digital Oddio'
'TIT2' (Title/songname/content description)         'Russian Wedding'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Julie Meredith'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'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:discogstags'                                  ['folk, world, & country', 'folk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.82 dB'
'TXXX:replaygain_track_peak'                        '0.655996'

========================== row from database ==========================
                                              'id'  1375826
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/033 Rod McKuen, Julie Meredith and Tak Shindo - The Yellow Unicorn/09_Russian_Wedding.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  219
                                           'genre'  ifs-songwriter
                                        'filesize'  8925731
                                           'mtime'  1637328877
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 033 Rod McKuen, and Tak Shindo 09_Russian_Wedding ifs songwriter
                                      'tag_artist'  Julie Meredith
                                     'tag_release'  The Yellow Unicorn (Imperial LP-12036 Stereo)
                                       'tag_title'  Russian Wedding
                                             'bpm'  134.1
                                    'search_title'  'russian':1 'wedding':2
                                   'search_artist'  'julie':1 'meredith':2
                                  'search_release'  '12036':7 'imperial':4,5 'lp':6 'lp12036':8 'stereo':9,10 'the':1 'unicorn':3 'yellow':2
                                     'search_rest'  '00singer':1 '09':10 'and':7 'eos':3 'ifs':13 'kuen':15,16 'mc':14 'mckuen':5,6 'rod':4 'russian':11 'shindo':9 'songwriter':2 'tak':8 'wedding':12
                                    'search_combo'  '00singer':15 '09':24 '12036':11C 'and':21 'eos':17 'ifs':27 'imperial':8C,9C 'julie':3B 'kuen':29,30 'lp':10C 'lp12036':12C 'mc':28 'mckuen':19,20 'meredith':4B 'rod':18 'russian':1A,25 'shindo':23 'songwriter':16 'stereo':13C,14C 'tak':22 'the':5C 'unicorn':7C 'wedding':2A,26 'yellow':6C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1994
                                     'discogstags'  ['folk, world, & country', 'folk']

============================== file details ==============================
                                           'mtime'  1637328876.6516855  (2021-11-19 14:34:36)
                             'size'  8925731