======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '231'
                                          'artist'  "K's Choice"
                                     'text_people'  ''
                                         'release'  'Not an Addict'
                                           'title'  "Something's Wrong"
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', '90s', 'alternative', 'female vocalists', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '132.271'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Love'
'TALB' (Album/Movie/Show title)                     'Not an Addict'
'TBPM' (BPM (beats per minute))                     '132.271'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         "Something's Wrong"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               "K's Choice"
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.31 dB'
'TXXX:replaygain_track_peak'                        '0.587843'

========================== row from database ==========================
                                              'id'  1524588
                                            'path'  /data/Music/Bulk/00poprockelectronic/K_s Choice/MBZ;#K_s Choice;#[non-album tracks];#01;#Something_s Wrong (live).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  231
                                           'genre'  rock-pop
                                        'filesize'  3241046
                                           'mtime'  1620390703
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic K_s MBZ;#K_s Choice;#[non album tracks];#01;#Something_s (live) rock pop
                                      'tag_artist'  K's Choice
                                     'tag_release'  Not an Addict
                                       'tag_title'  Something's Wrong
                                             'bpm'  132.271
                                    'search_title'  's':2 'something':1 'somethings':3 'wrong':4
                                   'search_artist'  'choice':4 'k':1 'ks':3 's':2
                                  'search_release'  'addict':3 'an':2 'not':1
                                     'search_rest'  '00poprockelectronic':1 '01':16,20 'album':14 'choice':10,12 'k':2,5,8 'live':23,24 'mbz':4,7 'non':11,13 'pop':26 'rock':25 's':3,6,9,18,22 'something':17,21 'tracks':15,19
                                    'search_combo'  '00poprockelectronic':12 '01':27,31 'addict':11C 'album':25 'an':10C 'choice':8B,21,23 'k':5B,13,16,19 'ks':7B 'live':34,35 'mbz':15,18 'non':22,24 'not':9C 'pop':37 'rock':36 's':2A,6B,14,17,20,29,33 'something':1A,28,32 'somethings':3A 'tracks':26,30 'wrong':4A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-chart-3', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', '90s', 'alternative', 'female vocalists', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620390702.7149823  (2021-05-07 14:31:42)
                             'size'  3241046