======================== unified (from filesystem) ========================
                                         'bitrate'  '243.335'
                                        'duration'  '283'
                                          'artist'  'Bent'
                                     'text_people'  ''
                                         'release'  'Intercept!'
                                           'title'  'Exercise 7'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz;electronic'
                                             'bpm'  '120.327'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'Intercept!'
'TBPM' (BPM (beats per minute))                     '120.327'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-trip hop or downtempo or acid jazz', 'electronic']
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Exercise 7'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bent'
'TPE2' (Band/orchestra/accompaniment)               'Bent'
'TRCK' (Track number/Position in set)               '1'
'TXXX:FMPS_Playcount'                               '1'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MP3GAIN_MINMAX'                               '144,255'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.537314'

========================== row from database ==========================
                                              'id'  1491706
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Bent__Bent - Intercept__cifsf6da.mp3
                                         'working'  None
                                         'bitrate'  243
                                    'duration_sec'  283
                                           'genre'  electronic-trip hop or downtempo or acid jazz;electronic
                                        'filesize'  8683927
                                           'mtime'  1636912926
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch Bent__Bent Intercept__cifsf6da electronic trip hop or downtempo or acid jazz;electronic
                                      'tag_artist'  Bent
                                     'tag_release'  Intercept!
                                       'tag_title'  Exercise 7
                                             'bpm'  120.327
                                    'search_title'  '7':2 'exercise':1
                                   'search_artist'  'bent':1
                                  'search_release'  'intercept':1
                                     'search_rest'  '00dutch':4 '00mid':1 'acid':14 'bent':5,6 'cifsf6da':8 'downtempo':13 'electronic':9,16,18 'europe':3 'hop':11 'intercept':7 'jazz':15,17 'north':2 'or':12 'trip':10
                                    'search_combo'  '00dutch':8 '00mid':5 '7':2A 'acid':18 'bent':3B,9,10 'cifsf6da':12 'downtempo':17 'electronic':13,20,22 'europe':7 'exercise':1A 'hop':15 'intercept':4C,11 'jazz':19,21 'north':6 'or':16 'trip':14
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636912925.9605489  (2021-11-14 19:02:05)
                             'size'  8683927