======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '138'
                                          'artist'  'Terrorgruppe'
                                     'text_people'  ''
                                         'release'  'Melodien f|r Milliarden'
                                           'title'  'Gestorben auf dem Weg zur Arbeit'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'punk rock', 'deutschpunk', 'punk', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '142.608'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Melodien f|r Milliarden'
'TBPM' (BPM (beats per minute))                     '142.608'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1996'
'TENC' (Encoded by)                                 'SaNiL_LiNkS & NoFX_Cheese'
'TIT2' (Title/songname/content description)         'Gestorben auf dem Weg zur Arbeit'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Terrorgruppe'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['german', 'punk rock', 'deutschpunk', 'punk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.35 dB'
'TXXX:replaygain_track_peak'                        '0.389943'

========================== row from database ==========================
                                              'id'  1421206
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Terrorgruppe/Melodien f_r Milliarden/Terrorgruppe - Gestorben Auf Dem Weg Zur Arbeit - 02.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  138
                                           'genre'  rock-gr-punk
                                        'filesize'  2213768
                                           'mtime'  1622659144
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner f_r Auf Dem Zur 02 rock punk
                                      'tag_artist'  Terrorgruppe
                                     'tag_release'  Melodien f|r Milliarden
                                       'tag_title'  Gestorben auf dem Weg zur Arbeit
                                             'bpm'  142.608
                                    'search_title'  'arbeit':6 'auf':2 'dem':3 'gestorben':1 'weg':4 'zur':5
                                   'search_artist'  'terrorgruppe':1
                                  'search_release'  'f':2 'melodien':1 'milliarden':4 'r':3
                                     'search_rest'  'auf':7 'dem':8 'f':5 'garage':2 'punk':1 'r':6 'rock':10 'stoner':4 'surf':3 'zur':9
                                    'search_combo'  'arbeit':6A 'auf':2A,18 'dem':3A,19 'f':9C,16 'garage':13 'gestorben':1A 'melodien':8C 'milliarden':11C 'punk':12 'r':10C,17 'rock':21 'stoner':15 'surf':14 'terrorgruppe':7B 'weg':4A 'zur':5A,20
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['german', 'punk rock', 'deutschpunk', 'punk', 'rock']
                                        'tag_date'  1996
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659143.626727  (2021-06-02 20:39:03)
                             'size'  2213768