======================== unified (from filesystem) ========================
                                         'bitrate'  '320.009'
                                        'duration'  '371'
                                          'artist'  'Gaiser'
                                     'text_people'  ''
                                         'release'  'Unstable Witness'
                                           'title'  'Unstable Witness (Original Mix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-2']")
                                      'lastfmtags'  "['minimal techno', 'techno', 'electronic', 'minus', 'minimal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '2'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '123.1'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Unstable Witness'
'TBPM' (BPM (beats per minute))                     '123.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Unstable Witness (Original Mix)'
'TKEY' (Initial key)                                '5A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Gaiser'
'TRCK' (Track number/Position in set)               '2/2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['minimal techno', 'techno', 'electronic', 'minus', 'minimal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.375439'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='www.beatport.com')

========================== row from database ==========================
                                              'id'  1326911
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lanig/gaiser-unstable_witness_(original_mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  371
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  14862825
                                           'mtime'  1636300859
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Lanig gaiser unstable_witness_(original_mix) electronic th techno minimal or deephouse
                                      'tag_artist'  Gaiser
                                     'tag_release'  Unstable Witness
                                       'tag_title'  Unstable Witness (Original Mix)
                                             'bpm'  123.1
                                    'search_title'  'mix':5,6 'original':3,4 'unstable':1 'witness':2
                                   'search_artist'  'gaiser':1
                                  'search_release'  'unstable':1 'witness':2
                                     'search_rest'  '00poprockelectronic':1 'deephouse':17 'electronic':12 'gaiser':3 'lanig':2 'minimal':15 'mix':7,11 'or':16 'original':6,10 'techno':14 'th':13 'unstable':4,8 'witness':5,9
                                    'search_combo'  '00poprockelectronic':10 'deephouse':26 'electronic':21 'gaiser':7B,12 'lanig':11 'minimal':24 'mix':5A,6A,16,20 'or':25 'original':3A,4A,15,19 'techno':23 'th':22 'unstable':1A,8C,13,17 'witness':2A,9C,14,18
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['minimal techno', 'techno', 'electronic', 'minus', 'minimal']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636300858.8506699  (2021-11-07 17:00:58)
                             'size'  14862825