======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '207'
                                          'artist'  'Alasdair Fraser & Natalie Haas'
                                     'text_people'  'Alasdair Fraser'
                                         'release'  'Abundance'
                                           'title'  "Connie Suite: Connie's Birthday"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-2', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-3', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['celtic', 'fiddle', 'scottish', 'folk', 'cello']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '126.965'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Abundance'
'TBPM' (BPM (beats per minute))                     '126.965'
'TCOM' (Composer)                                   'Alasdair Fraser'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         "Connie Suite: Connie's Birthday"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Alasdair Fraser & Natalie Haas'
'TPE2' (Band/orchestra/accompaniment)               'Alasdair Fraser & Natalie Haas'
'TPOS' (Part of a set)                              '1'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['celtic', 'fiddle', 'scottish', 'folk', 'cello']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.30 dB'
'TXXX:replaygain_track_peak'                        '0.390989'

========================== row from database ==========================
                                              'id'  1508546
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Alasdair Fraser & Natalie Haas - CONNIE_S BIRTHDAY.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  207
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  8329042
                                           'mtime'  1620586777
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism CONNIE_S BIRTHDAY hip hop or rnb or rap or turntablism
                                      'tag_artist'  Alasdair Fraser & Natalie Haas
                                     'tag_release'  Abundance
                                       'tag_title'  Connie Suite: Connie's Birthday
                                             'bpm'  126.965
                                    'search_title'  'birthday':7 'connie':1,4 'connies':6 's':5 'suite':2,3
                                   'search_artist'  'alasdair':1 'fraser':2 'haas':4 'natalie':3
                                  'search_release'  'abundance':1
                                     'search_rest'  'birthday':7 'connie':5 'hip':8 'hiphop':1 'hop':9 'or':10 'rap':2 'rnb':3 's':6 'turntablism':4
                                    'search_combo'  'abundance':12C 'alasdair':8B 'birthday':7A,19 'connie':1A,4A,17 'connies':6A 'fraser':9B 'haas':11B 'hip':20 'hiphop':13 'hop':21 'natalie':10B 'or':22 'rap':14 'rnb':15 's':5A,18 'suite':2A,3A 'turntablism':16
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['celtic', 'fiddle', 'scottish', 'folk', 'cello']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586777.1529636  (2021-05-09 20:59:37)
                             'size'  8329042