======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '278'
                                          'artist'  'Telefon Tel Aviv'
                                     'text_people'  ''
                                         'release'  'Remixes Compiled'
                                           'title'  'Even Deeper (Telefon Tel Aviv Remix)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'Q-SYN-3', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['idm', 'electronic', 'ambient', 'chillout', 'electronica']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '125.7'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Remixes Compiled'
'TBPM' (BPM (beats per minute))                     '125.7'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '2007'
'TIT1' (Content group description)                  'Electronic'
'TIT2' (Title/songname/content description)         'Even Deeper (Telefon Tel Aviv Remix)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nine Inch Nails'
'TPE2' (Band/orchestra/accompaniment)               'Telefon Tel Aviv'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/12'
'TSO2'                                              'Telefon Tel Aviv'
'TSOP' (Performer sort order)                       'Telefon Tel Aviv'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '4'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['idm', 'electronic', 'ambient', 'chillout', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.87 dB'
'TXXX:replaygain_track_peak'                        '0.460367'

========================== row from database ==========================
                                              'id'  1489030
                                            'path'  /data/Music/Bulk/00dwimp/Odds and Ends/Nine Inch Nails - Even Deeper (Telefon Tel Aviv Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  278
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  11256681
                                           'mtime'  1620296709
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Odds and Ends Nine Inch Nails eid ebm or industrial or darkwave
                                      'tag_artist'  Telefon Tel Aviv
                                     'tag_release'  Remixes Compiled
                                       'tag_title'  Even Deeper (Telefon Tel Aviv Remix)
                                             'bpm'  125.7
                                    'search_title'  'aviv':6 'deeper':2 'even':1 'remix':7,8 'tel':5 'telefon':3,4
                                   'search_artist'  'aviv':3 'tel':2 'telefon':1
                                  'search_release'  'compiled':2 'remixes':1
                                     'search_rest'  '00dwimp':1 'and':3 'darkwave':12 'ebm':9 'eid':8 'ends':4 'inch':6 'industrial':11 'nails':7 'nine':5 'odds':2 'or':10
                                    'search_combo'  '00dwimp':14 'and':16 'aviv':6A,11B 'compiled':13C 'darkwave':25 'deeper':2A 'ebm':22 'eid':21 'ends':17 'even':1A 'inch':19 'industrial':24 'nails':20 'nine':18 'odds':15 'or':23 'remix':7A,8A 'remixes':12C 'tel':5A,10B 'telefon':3A,4A,9B
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-4', 'q-drums-4', 'Q-SYN-3', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-1', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['idm', 'electronic', 'ambient', 'chillout', 'electronica']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620296708.7594533  (2021-05-06 12:25:08)
                             'size'  11256681