======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '210'
                                          'artist'  'DJ Paul Estak'
                                     'text_people'  ''
                                         'release'  'Now Dance Hits 95'
                                           'title'  'Live is like a dance'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['gabber', 'hardcore', 'happy hardcore', 'hardcore techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '105.203'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Now Dance Hits 95'
'TBPM' (BPM (beats per minute))                     '105.203'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Live is like a dance'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'DJ Paul Estak'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '000,194'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'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:lastfmtags'                                   ['gabber', 'hardcore', 'happy hardcore', 'hardcore techno', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.35 dB'
'TXXX:replaygain_track_peak'                        '0.526855'

========================== row from database ==========================
                                              'id'  1407616
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Now Dance Hits 95/DJ Paul Estak - Live is like a dance.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  210
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  3374992
                                           'mtime'  1621786522
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic trapbeat electronic generic or radio
                                      'tag_artist'  DJ Paul Estak
                                     'tag_release'  Now Dance Hits 95
                                       'tag_title'  Live is like a dance
                                             'bpm'  105.203
                                    'search_title'  'a':4 'dance':5 'is':2 'like':3 'live':1
                                   'search_artist'  'dj':1 'estak':3 'paul':2
                                  'search_release'  '95':4 'dance':2 'hits':3 'now':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':4 'generic':2 'or':5 'radio':6 'trapbeat':3
                                    'search_combo'  '00poprockelectronic':13 '95':12C 'a':4A 'dance':5A,10C 'dj':6B 'electronic':16 'estak':8B 'generic':14 'hits':11C 'is':2A 'like':3A 'live':1A 'now':9C 'or':17 'paul':7B 'radio':18 'trapbeat':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4B
                                           '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-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['gabber', 'hardcore', 'happy hardcore', 'hardcore techno', 'electronic']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621786521.519691  (2021-05-23 18:15:21)
                             'size'  3374992