======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '307'
                                          'artist'  'Sidewalk and Tune Crashers'
                                     'text_people'  ''
                                         'release'  'breaks'
                                           'title'  'Rats`n`roll (Original mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-JZFKS-1', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-SYN-3', 'Q-PLAY-2', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-4']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th'
                                             'bpm'  '133'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'BreakStep'
'TALB' (Album/Movie/Show title)                     'breaks'
'TBPM' (BPM (beats per minute))                     '133'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th'
'TIT2' (Title/songname/content description)         'Rats`n`roll (Original mix)'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '307711'
'TPE1' (Lead performer(s)/Soloist(s))               'Sidewalk and Tune Crashers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '4'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-5.32 dB'
'TXXX:replaygain_track_peak'                        '0.940638'

========================== row from database ==========================
                                              'id'  1482598
                                            'path'  /data/Music/Bulk/00poprockelectronic/breaks/Sidewalk and Tune Crashers - Rats`n`roll (Original mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  307
                                           'genre'  electronic-th
                                        'filesize'  12314079
                                           'mtime'  1621696889
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic th
                                      'tag_artist'  Sidewalk and Tune Crashers
                                     'tag_release'  breaks
                                       'tag_title'  Rats`n`roll (Original mix)
                                             'bpm'  133.0
                                    'search_title'  'mix':6,7 'n':2 'original':4,5 'rats':1 'roll':3
                                   'search_artist'  'and':2 'crashers':4 'sidewalk':1 'tune':3
                                  'search_release'  'breaks':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'th':3
                                    'search_combo'  '00poprockelectronic':13 'and':9B 'breaks':12C 'crashers':11B 'electronic':14 'mix':6A,7A 'n':2A 'original':4A,5A 'rats':1A 'roll':3A 'sidewalk':8B 'th':15 'tune':10B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-4', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-3', 'q-other-1', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696888.7951787  (2021-05-22 17:21:28)
                             'size'  12314079