======================== unified (from filesystem) ========================
                                         'bitrate'  '246.032'
                                        'duration'  '223'
                                          'artist'  "You Love Her Coz She's Dead"
                                     'text_people'  ''
                                         'release'  'Inner City Angst EP'
                                           'title'  'Dead End'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'new rave', 'electro', '8 bit', 'crystal castles clone']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '129.979'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Inner City Angst EP'
'TBPM' (BPM (beats per minute))                     '129.979'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Dead End'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               "You Love Her Coz She's Dead"
'TRCK' (Track number/Position in set)               '2'
'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'                                   ['electronic', 'new rave', 'electro', '8 bit', 'crystal castles clone']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.355068'

========================== row from database ==========================
                                              'id'  1522735
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/You Love Her Coz She_s Dead - You Love Her Coz Shes Dead/02-Dead End.mp3
                                         'working'  None
                                         'bitrate'  246
                                    'duration_sec'  223
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  6879517
                                           'mtime'  1621627429
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy She_s Shes 02 electronic we beeps or chip or pico
                                      'tag_artist'  You Love Her Coz She's Dead
                                     'tag_release'  Inner City Angst EP
                                       'tag_title'  Dead End
                                             'bpm'  129.979
                                    'search_title'  'dead':1 'end':2
                                   'search_artist'  'coz':4 'dead':8 'her':3 'love':2 's':6 'she':5 'shes':7 'you':1
                                  'search_release'  'angst':3 'city':2 'ep':4 'inner':1
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 'beeps':8 'chip':10 'electronic':6 'or':9 'pico':11 's':4 'she':3 'shes':5 'we':7
                                    'search_combo'  '00beepy':16 '00poprockelectronic':15 'angst':13C 'beeps':22 'chip':24 'city':12C 'coz':6B 'dead':1A,10B 'electronic':20 'end':2A 'ep':14C 'her':5B 'inner':11C 'love':4B 'or':23 'pico':25 's':8B,18 'she':7B,17 'shes':9B,19 'we':21 'you':3B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['electronic', 'new rave', 'electro', '8 bit', 'crystal castles clone']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621627428.961195  (2021-05-21 22:03:48)
                             'size'  6879517